7.Mike did his homework at home last weekend.(改为否定句) 

Mike his homework at home last weekend.

6.I fed my cat three times a day.(对画线部分提问) 

 feed your cat?

4.My uncle is good at playing football.(改为同义句) 

My uncle  in playing football.

5.We spent two hours cleaning up the park.(改为同义句) 

us two hours to clean up the park.

3.I couldn’t carry that heavy bag.(改为同义句)

I wasn’t cany that heavy bag.

2.Our parents look after us well every day.(改为同义句)

 Our parents good us every day.

1.Tom did nothing useful for us.(改为同义句)

 Tom for us.

15.—Look out ? The road is wet.

—Thanks..

   A. Not at all          B. You’re welcome

    C.That’s all right        D. I will be careful

14.the way,did you see Mrs Lee your way here?

   A. On;by             B. By;in

   C. In;on             D. By;on

13. The T-shirt is big for Jim,but it will fit him soon. He is fast.

   A. standing up         B. getting up

    C.growing on          D. growing up