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4. It might rain later.. (改為否定句) 

It             rain later.

3. The best time to visit our country is in October. (對(duì)畫(huà)線部分提問(wèn))

            the best time to visit       country?

2. He has to stay at home today. (改為一般疑問(wèn)句) 

                   to stay at home today?

1. It'll be very warm tomorrow. (對(duì)畫(huà)線部分提問(wèn))

2.             the weather             tomorrow?

(   ) 8. You'd better       too much time playing computer games.

   A. don't spend   B. not to spend   C. to not spend   D. not spend

(   ) 7. There're a lot of      . It's       .

   A. cloudy;clouds   B. clouds;cloudy 

   C. cloudy;cloudy   D. clouds;clouds

(   ) 6. ―       I smoke here?

―No. You are not allowed to smoke in public places.

   A. Should   B. Must

   C. May   D. Might

(   ) 5. [2014 •天津]         he was very tired,he continued working in his office.

   A. Since   B. Although

   C. As soon as   D. Because

(   ) 4. [2014 • 萊蕪]—What are you doing this weekend?

―I'm not sure,but I       go to the museum.

   A. might   B. must

   C. need   D. should

(   ) 3.       will the weather be      ？

   A. How;like   B. What;like

   C. How's;/  D. What; /