--_____foggy day !
--Something must be done to solve the haze problem .
A.How B. What C. What a
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
We must find a place _______.
A. to live B. living C. to live in