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________ around the Water Cube, we were then taken to see the Beijing National Stadium, known as the Bird’s Nest.
　 A. Having shown      　 B. To be shown  　 C. Having been shown 　 D. To show 

I wonder ______ you were doing last night.
A. it was what that    B. what was it thatC. that what it was    D. what it was that

—Why not open the windows to let　　　　 cool air in?

　 —I'd rather you didn't　　　　　 air in our town is terribly polluted．

A．a(chǎn)；The　 　 B／；The　 　 C．/；/　 D．the：/

The boy often gets up very early in the morning _________ being late for class.

　 A. in aid of　　 B. in case of　　 C. in search of　　 D. in place of

The v___________ storms last summer destroyed most of the farmers’ houses.

We are all looking forward _______ Mr. Smith next week.

A. to see　 　　　　 B. of seeing　 　　 C. at seeing　 　　 D. to seeing

Green products are becoming more and more popular because they are environmentally ______.

A．friendly B．various　 C．common D．changeable

_____ fashion different from country to country may reflect the cultural differences from one aspect. 
A. What        B. That        C. This         D. Which

-- I have heard you're going to change your job. Are you serious?

-- ______. I will quit my job.

A. Yes, I've made up my mind　　　　　　 B. No, I was just joking

C. Yes, I do hope so　　　　　　　　　　 D. No, I' m not