Mr.Smith walked around and offered help ________we were preparing for the role play of this conversation.
A.while B.although C.until D.unless
You'd better ________ the key words what your teacher said in class.
A.turn down B.take down C.turn up D.take up
Her special ________ attracted all the audiences in the music competition.
A.voice B.sound C.trouble D.space
Before leaving for the train station, Tom's mom ________ him to check if everything is taken.
A.suggested B.reminded C.watched D.thought
I ________ to see my old friends all the morning, but they didn't show up.
A.expect B.will expect C.is expecting D.was expecting
How________！ There are no workers in the bank.
A.strange B.useful C.noisy D.brave
