过去进行时语态讲解及练习(7)

　　23. The students ______ (sing) and ____ (dance) happily on the playground at that time.

　　24. I ____ (write) a letter when the door bell rang.

　　25. We had no classed at that time. We ____ (plant) trees.

　　三、 选择题。

　　1. I ______ cooked a meal when you _____ me.

　　a. cooked, were ringing b. was cooking, rang

　　c. was cooking, were ringing d. cooked, rang

　　2. He said he _____ to draw a plane on the blackboard at that time.

　　a. tries b. tried c. was trying d. will try

　　3. While she ______ TV, she ______ a sound outside the room.

　　a. was watching, was hearing b. watched, was hearing

　　c. watched, heard d. was watching, heard

　　4. They _____ a football game from 7 to 9 last night.

　　a. were watching b. watch c. watched d. are watching

　　5. What book ____ you ______ when I ____ you at four yesterday afternoon?

　　a. did, read, was seeing b. did, read, saw

　　c. were, reading, saw d. were, reading, was seeing