定语从句的基本用法 — 英语词汇题
题目
用 that / which / who / whose 补全定语从句：1. Yang Liwei is the astronaut ______ first flew into space in China. 2. The plane ______ they designed can carry over 300 passengers. 3. Su Bingtian is a runner ______ speed impresses everyone. 4. I read a report about the pilot ______ saved all the passengers.