A.let’s go to the bookstoreB.let’s go C.let’s buy themD.let’s get some
单项选择题Polly enjoys ( )in a band in her free time.play the guitarB. to playing the guitarC. playing the guitar
单项选择题What causes cavitation in a centrifugal pump ().
A.VaporB.RoughC.WornD.Heavy
单项选择题l need some red ink badly,butthere’s ()at hand.
A.nothingB.a littleC.notD.none
单项选择题If I()his email address,I would have sent him a message yesterday.
A.have knownB.had knownC.will knowD.know
单项选择题He read my credit card number out loud in front of customers ()I could stop him.
A.beforeB.whileC.asD.since
单项选择题-I’m afraid I have to say goodbye to you.-().
A.I’m sorryB.That’s all rightC.Never mindD.Good night
单项选择题this is the man()last night.
A.whom I saw himB.who I sawC.which I sawD.who I saw him
单项选择题()you will cook the dinner,I will do the washing-up afterwards.
A.IfB.UnlessC.WhenD.While
单项选择题James decided not to go out ()he was still really tired.
A.whetherB.becauseC.althoughD.as
单项选择题()snow it is!
A.What heavyB.What a heavyC.How heavyD.How heavy a