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(   ) 4. We        TV at ten last night.

   A. was watching   B. were watching

   C. watched   D. watch

(   ) 3. My sister was doing the dishes      my brother was sweep- ing the floor.

   A. when   B. while   C. which   D. what

（   ) 2. —I called you at 8 o'clock yesterday evening,but there was no answer.

       - Oh,I'm sorry. I      dinner at my friend's home.

   A. have   B. had   C. was having   D. have had

(   )1.What      you      when I rang you up yesterday?

   A. are;doing   B. were;doing

   C. do;do   D. have;done

5. 為了變得更強(qiáng)壯.他每天鍛煉身體。

He takes exercise every day           to           .

4. 他總是兩手空空地返回家中。

He always           with nothing.

3. 自從20世紀(jì)中葉，我們家鄉(xiāng)已經(jīng)建起了幾所小學(xué)了。

Our hometown           some primary schools since          

2. 那個(gè)十八歲的女孩已經(jīng)捐贈(zèng)了至少一千本圖書給山區(qū)的孩子們。

That        girl has       1,000 books to the children in the mountains.

1. 當(dāng)今，數(shù)百萬的中國人離開農(nóng)村去城市里尋找工作。

     ,       Chinese leave the countryside to      work in the cities.

(   ) 6. ―How much is the ticket to Central Park?

      — A one-way ticket        $ 40,and you can      another

$ 20 for a round-trip.

   A. costs;pay   B. cost;spend

   C. pay;spend   D. spends;pay