-- The man over there must be Mr Li. --No, it be him. He has gone to Changsha. A. mustn’t B. mayn’t C. can’t
--- Do you know if Kitty ______ shopping this afternoon? --- I’m not sure. But if she , I will let you know.
---What made you so_________? ---Oh, Mr Wu told us a funny story and it made us _________.
____________ the teachers is about 300 in our school and it is becoming_____________.
The earthquake ______ when I _______some cleaning.
---Let’s go hiking __________ staying at home, shall we? --- A good idea.