David till 12:00 p.m. last night, because he had too much homework to do 查看更多

 

题目列表(包括答案和解析)

用所给短语的适当形式填空。
chat with  stay up   be interested in   pay attention to  give up
1. You'd better _______ your pronunciation and do more practice.
2. He's _______ smoking, for it's not good for health.
3. David _______ till 12:00 p.m. last night, because he had too much homework to do.
4. My father used to collect coins, but now he _______ collecting stamps.
5. Mary often _______ her friends on the phone for a long time.

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