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昨天下午四点，大雨开始下的时候，Ben 正在图书馆看书。下面哪个句子正确叙述了这段经历？A. When the rain started, Ben read books in the library. B. When the rain started, Ben was reading books in the library. C. While the rain started, Ben was reading books in the library. D. When the rain was starting, Ben read books in the library.
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At 7:20 yesterday morning, the school bus arrived. Mia started to pack her bag at 7:10 and finished at 7:30. Which sentence describes what Mia was doing when the bus arrived? A. Mia packed her bag. B. Mia was packing her bag. C. Mia is packing her bag. D. Mia packs her bag.
根据句意，用括号内动词的适当形式填空：Last night, while we ________ (wait) for the heavy rain to stop, my little brother suddenly ________ (drop) his glass of milk on the floor. So he ________ (clean) it up at that time and didn't finish his homework until 10 o'clock.
Linda 和好朋友吵架了，她既想道歉又怕对方不原谅。请根据中文提示补全建议句，每空一词：Why don't you ___ (写) her a letter ___ (以便) she can understand your true feelings, and say sorry to her ___ (虽然) she is angry now?
根据中文提示，用Could I...?句型完成句子（每空一词）。琳达想请爸爸同意她邀请同学来家里帮忙做家务。Linda: Dad, ________ I ________ my classmate over to help with the housework?
周六大扫除，妈妈给Mary列了一张家务清单：①把垃圾拿到屋外；②清洗碗碟；③铺床；④扫地。下列短语中，有一项不能对应清单中的任何一项家务，它是（ ） A. take out the rubbish B. do the dishes C. fold the clothes D. sweep the floor
Ben has a fever and a sore throat. He feels very tired, so he wants to play basketball with his friends. Which advice is best? A. He should stay home and get some rest. B. He should play basketball for a long time. C. He shouldn't drink any water. D. He should eat lots of ice cream.
根据句意及首字母提示补全单词：Peter ate too much ice cream after dinner, so last night he had a t_______ and had to see the dentist.
分析长难句并填空：The photographs which the journalist had taken in the valley, most of which were damaged by the flood, finally convinced the editor who had doubted his story that the village was in danger. 句子的主句谓语动词是 ___；第二个 which 引导的非限制性定语从句的先行词是 ___。
阅读句子并完成填空：The teacher explained that the students who had finished the project could leave when the bell rang. 其中 that 引导的从句意为：___。
Read the excerpt: "Keeping a diary may strengthen memory. Writing down daily events forces the brain to organize information. _____ , recording emotions helps people understand themselves better." Which choice best fits the blank? A. However B. For example C. In addition D. As a result
在报道袁隆平团队的专题节目中，主持人写道："What the team ______ (have) achieved in saltwater-tolerant rice research ______ (be) truly remarkable, and every detail of their experiments ______ (have) been carefully recorded." 依次填入的动词形式正确的一组是（ ） A. has; is; has B. have; are; have C. has; are; has D. have; is; has
阅读下面的长难句，回答问题： The novel that won the prize, which had been rejected by five publishers before a young editor discovered its value, eventually sold millions of copies. 本句的主语核心词（中心名词）是： A. prize B. publishers C. novel D. editor
At dawn, the waterfall looked impressive, and the stone bridge did, too. Complete the omitted verb phrase in the second clause: l___ i________.
The knight was very ______. He walked into the dark cave without fear.
某自然保护区记录到 4,006,030,018 只迁徙鸟类。请用美式英语将这个数字完整写出；不使用 and 和连字符。填入：___
— When did you finish your homework last night? — I finished it ______ my mom came home. A. as soon as B. so that C. unless D. even though
— While I ______ dinner in the kitchen, the lights suddenly went out during the rainstorm. — Then what did you do? — I ______ for my phone in the dark and called my mom. A. cooked; was looking B. was cooking; looked C. was cooking; was looking D. cooked; looked
昨晚八点，暴雨突然来临。当时我正在做作业。哪句话能准确叙述这段经历？A. When the rainstorm came, I was doing my homework. B. When the rainstorm was coming, I did my homework. C. While the rainstorm came, I was doing my homework. D. When the rainstorm came, I did doing my homework.
Lily想去图书馆借书，但今天有雨。她想请妈妈允许自己带伞出门，并礼貌地询问。下面哪句话最合适？A. Do I bring an umbrella, Mum? B. Could I take an umbrella with me, Mum? C. I want to take an umbrella, Mum. D. Must I take an umbrella, Mum?