--- When_______ Mary’s birthday?--- It’s_______ September.A. am; on B. is; in C. is; on
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
I gave her some advice, but I don’t know ______ she’ll accept it. A. that B. whether C. Which