---How can I keep healthy?---I think you ought to_________.A.do more exerciseB. doing more exerciseC. exercising more
Mrs. Green has been living ___for two years. But she doesn’t feel ___because she has many friends.
---You’ve dropped _____ “s” in the word “acros” ---Oh, ____ letter “s” should be doubled like this “across”.
They lost the match, ______ we know they did their best.
The price of that house is too _______.I can’t afford it
______is the price of the book ?