一．用括弧中动词的适当形式填空

1．Tom and his father ________  (swim) now.

2．Look !They ________ (run) along the street.

3．We ________ (practice) hard these days because we will have a big match next month.

4．What ________ he ________ (do) at nine o'clock last night.

5．They ________ (listen) to the music at that time.

6．When the headmaster came in, the students ________ (read) the text.

7．We ________ (watch) TV when suddenly the telephone rang.

8．She ________ (make) the paper flowers the whole night.

9．________ you ________ (study) English? Yes, I am.

二．按要求变换句型

1．Look ! He is dancing.（一般疑问句）

2．The farmers weren't working last year.（肯定句）

3．The teachers are having a meeting.（对划线部分提问）

4．The boys are cleaning their room.（对划线部分提问）

5．The singer is singing some famous songs.（否定句）

6．I am studying English, too.（变为否定句）

三．汉译英

1．我正在写信给我在北京的朋友。

2．当时你在做什么呢？

3．昨晚你打电话给我时，我正在看电视。