______of the water_____polluted. We must try to protect our environment.
A.Two third; are B.Two third ; is
C．Two thirds; are D. Two thirds ; is
----Pardon? I didn’t hear you just now.
---- I asked_______________________.
A. That Michelle obama came to China in march.
B. How long did Michelle obama stay in China.
C. When did Michelle obama visit Chengdu.
D. Who michelle obama came to China with.
The stones are so heavy. How _____ they _____ to the top of the building without modern machines?
A. do; lift B. did; lift
C. were; lifted D. were; lift
No free plastic bag in the supermarket helps to _____ white pollution.
A. reduce B. recycle
C. provide D. produce
–Would you like to food and clothes to the old at a home for the elderly with me?
–Of course I would. It’s very meaningful.
A. put out B. sell out
C. find out D. give out
We _____ walk in the park after supper, talking about all _____ we were interested in.
A. used to, what B. were used to, what
C. used to, that D. were used to, which
