---I like red best. What about___________? ---My favourite colour is orange. It represents joy.
— There are so many new words in the passage.—You’d better ______ in the dictionary.A.look them upB. look up themC. look over it
He suggests _____ camping this weekend.A. to go B. go C. going
It’s ___________ to take the subway to visit Paris. It can take you wherever you want to go.A. convenient B. inexpensive C. crowded
You won’t catch what he said _____ you listen carefully.A. if B. after C. Unless
Our teacher warned us ______ play tricks _____ others.A. to; at B. not to; on C. not to; to