It’s difficult _____ a little girl to answer these questions. It’s really nice ____ you to help her answer them. [ ]
The table manners are different_____ ours.[ ]
The first thing ______my brother is going to do this afternoon is to write a letter.
If I ______ free tomorrow, we ________to Beijing Zoo.
Tommy, do you know if Frank _____ to the theatre with us this Sunday if it _____?—Sorry, I have no idea.