---What did Mrs. Wang say?
--- She_______ us how we_______ go on our field trip.
A. asks; would B. asked; will C. asked; would
We are short _________ energy and water_________ the overpopulation.
A. of; because B. of; because of C. in; because
— Could you tell me _________ ?
— Sorry, I don’t know.
A. where are my socks
B. where can I find my socks
C. where my socks are
— Hello, this is Tom. Is Jack in?
— Sorry, he _________to his uncle’s home. May I take a message?
A. has been B. go C. has gone
— Hello! Could I speak to Mr. Liu, please?
— Sorry. He _________ for a month.
A. had been away B. was left C. has been away
— Do you mind my smoking here?
— _________Look at the sign. It says “No Smoking”.
A. Of course not. B. No, I don’t. C. You’d better not.