11.What a nice bag! But she ______only thirty dollars for it.
A. cost B.took C.spent D.paid
12.No matter how hard it is, we'll keep ______until we make it.
failed B.failing C.tried D.trying
13.I must return the camera to Cindy. I ______it for two weeks.
keep B.borrowed C.have kept D.have lent
14.I am sure our volleyball team will______the team from No. 3 Middle School.
win B.fail C.lose D.beat
15.Tracy can't play the match now. Please ______instead.
have Gina do it B.have Linda to do it
C.make Jane to do it D.let Daisy to do it
16.----Do you like______a doctor for the children?
----Yes. To be a children's doctor is rewarding.
be B.being C.are D.become
17.----What do you think of her voice?
----It______very sweet, I should say.
hears B.sounds C.listens D.sings
18.----How much does it ______to fly from Beijing to Qingdao one-way?
----About 1,000 yuan.
cost B.pay C.spend D.take
19.----Water-skiing and surfing are my favourite. How about you ?
----I ______surfing to water-skiing.
A. think B.agree C.want D.prefer
20.----It's more and more important to protect our earth.
----I think so. If everyone ______a contribution to it, our world will be more beautifu..
A. make B.makes C.will make D.make