Candidates ______ remain in their seats until all the papers have been collected.
A. must B. shall C. may D. can
—Excuse me, Dad, but I’m going to the club to meet my friends in the football team.
—OK. ______
A. Have fun B. Congratulations C. With pleasure D. Gook luck
His ears are highly ______ to any unusual sound in the machine, that is how he found the fault.
A. sense B. sensitive C. sensitively D. insensitive
It is Tim, my best friend in my childhood, who tells me he always dreams of ______ for him to go to Shanghai to study and live there.
A. there to be a chance B. there is a chance C. there being a chance D. being a chance
It was a pity that the great writer died ______ his work unfinished.
A. for B. with C. from D. of
At first he refused to admit his guilt but when he was shown the evidence he ______ and confessed (坦白).
A. broke down B. lay down C. got down D. put down