There _________ lots of sheep on the hill eating grass. A. are B. is C. be
—What’s wrong with you? — It’s ________. A. nothing serious B. serious nothing C. serious something
We will stay at home instead of ________. A. walking B. to walk C. walk
The team trekked _____ the jungle to look for the living tigers.
The number of the workers in this factory _______ two hundred.
---Where would you like to go ? ---I’d like to go ________.