24.We will go to the park if it (not rain)tomorrow.
23.They (know)each other since they were children.
22.I (watch)the fish when the telephone rang.
21.He just (return)from Britain.
20.We (come)to this house in 1990 and (1ive)here for fifteen years.
19.Where you (spend)your winter holiday,Bill?
18.She (how)the result(结果)in three weeks.
17.What about (see)a film with me?
用所给动词的适当形式填空,必要时可加助动词。
16.The girl usually (finish)her homework at nine in the evening.
12. 13. 14. 15.