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After checking the revised schedule, the museum director decided ___ (move) the evening tour to Saturday and asked the guide ___ (inform) all registered visitors before noon.
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Choose the relative pronoun that completes the sentence: The student ___ science project was selected for the school exhibition thanked the judges. A. whose B. who C. whom D. which
The lab manager will start the sound test ___ every student has put on ear protection; starting earlier would expose someone to loud noise. A. before B. after C. although D. unless
用括号内动词的动名词形式完成句子：在整理一项社区调查的资料时，___ (compare) responses from different age groups helps the team notice patterns, and its final step is ___ (summarize) the findings clearly.
Before the school hike, the coach advised ___ the route before ___ the journey and reminded us ___ enough water. Which set of forms is correct? A. checking; starting; to carry B. to check; starting; carrying C. checking; to start; carrying D. to check; to start; to carry
At a campus event, Nina listened to ___ hour-long talk by ___ European scientist. Afterward, she thanked ___ scientist.
Choose the correct articles to complete the sentence: At the entrance, Leo saw ___ one-eyed cat beside ___ old bicycle. Later, he told his sister about ___ cat. A. a; an; the B. an; an; a C. a; a; the D. the; an; a
Complete the sentence with the correct forms of the verbs in brackets: After ___ (complete) the survey, the students found several answers ___ (leave) blank, so they stayed to check the forms.
After heavy rain, water from nearby farms flows into a wetland. It moves slowly through reeds and soil before reaching a river. The soil traps much of the sediment, while plant roots absorb some excess nutrients. From this information, the wetland acts as ___ for the river.
A road project will divide the forest into smaller areas, leaving some animals with less space and food. When their natural ______ is damaged, these animals may struggle to ______. A. habitat; survive B. species; balance C. survival; inhabit D. environment; disappear
艾米刚搬进一条新街，想知道住在隔壁的人是谁。邻居介绍卡上写着：Sam lives next door to Amy. 艾米应该问： “___?”
Ben 和妹妹计划旅行。Ben 的计划是参观农场；妹妹的计划是参观农场和湖泊。根据两人的共同计划补全句子：They ___ ___ ___ a farm.
从 while、as soon as、until、unless 中选词填空，每个词至多使用一次：The team kept the test running throughout the entire period ___ the warning light was flashing, but shut it down ___ the temperature reached the safety limit.
Look at those dark clouds! It ___ soon. A. rains B. rained C. is going to rain D. has rained
Mia usually ___ the bus to school, but this week she ___ because her bike is broken. Listen! Someone ___ at the door. A. takes; walks; knocks B. is taking; walks; is knocking C. takes; is walking; is knocking D. takes; is walking; knocks
根据句意和括号中的中文提示，补全关系词：The coastal library, ______（它的）reading room faces the sea, welcomes visitors every day.
Two archivists offered to help with the restoration, but only Mara had permission to enter the sealed room. She was the colleague ______ I entrusted the only key to the cabinet. Choose the correct option. A. to whom B. whom to C. to who D. to that
用括号中所给动词的正确形式填空：The school radio station has received 18 song requests this week. It ___ (play) 12 of them so far.
Our class ___ (collect) enough books for its reading corner, so it can open today.
Complete the sentence with suitable relative words: Mira, ___ works at the city museum, lent me a journal ___ pages describe the old harbor.