题目内容
( 补全单词)It’s our duty to keep the classroom c _____ ．
(补全单词)It is a _____ (遗憾) that you can't come to China next month．
(补全单词)
It’s Friday today．Don’t p_________ it off any more．
It was a big m____ to leave my umbrella at school.
根据句意及首字母补全单词
It s________ like a good idea.
根据句意及首字母提示补全单词
It's n________ eleven o'clock.
