1．It took us three years to build the park．(变成同义句，每空一词)

We           three years         the park．

10．I saw an old man         (walk)over just now．

六、完成句子(共5小题，计10分)

根据要求完成句子。

9．I live in a town        (call) Qufu．

8．Mr．Brown often makes his son         (help)him           (clean)his car．

  7．一Could you please         (take)out the trash?

一No problem !

  6．Lisa with her classmates          (have)to study for the math test．

  5．You shouldn’t play computer games until you finish         (write)your composition．

  4．Mrs．Black stopped         (buy)some vegetables on his way home．

  3．Her younger brother is too young        (go)to school

  2．Keep quiet，please．The scientist         (give)a talk to the students of Grade Three in the meeting―room．