I don’t know if he if it tomorrow.A. comes…will rainB. will come…rains C. will come…will rain
In the last two years the workers______ many tall building.
_____ number of the students is 4,0000 , much more than last year.
---Tom had better stay at home, _____ he? ----Yes, but he’d better ____ turn the TV on.
This is the first book _______ my cousin bought me.
He is ______ that he does everything very well.