英语选修七人教新课标unit 1同步综合练习(3)及答案
i.完成句子
1.he seems________ ________ ________(正在吃)something.
2.i'm sorry________ ________ ________ ________ ________(弄丢了你的书).
3.let's hurry________ ________ ________ ________ ________ ________ ________ ________ ________(免得开会迟到).
4.tell him __