4. Lucy did her homework at home. (改为否定句) 

Lucy             her homework at home.

3. They went to the zoo on their last school trip. (改为一般疑问句) 

      they             the zoo on their last school trip?

2. We visit a fire station. (用last Sunday改写句子) 

We       a fire station             .

1. Our trip was pretty good. (对画线部分提问) 

            your trip?

5. My friend Li Hua and I       (climb) a mountain last Saturday.

4. ―How        (be) your school trip yesterday? ―Great ！

3. We went to an art museum and        (see) some paintings.

2. ―What did you do this morning? ―I       (draw) some pictures.

(   ) 5. They        the hills and       a lot of flowers yesterday.

   A. climb;saw   B. climbed;saw

   C. climb;see   D. climbed;see

(   ) 4. ―It's too hot. Let's go         . ―Good idea!

   A. swim   B. swims   C. swimming   D. swam