动词填空

She ________ (write) a letter when I entered the room.

词形变化

1. roof(复数)________

2. choose(名词)________

3. obvious(副词)________

4. increase(反义词)________

5. experience(形容词)________

6. convenience(形容词)________

7. drive(过去分词)________

8. consumer(动词)________

动词填空

I ________ (cook) in the kitchen when someone knocked at the door.

动词填空

Is he the teacher you used to ________ (speak) of?

动词填空

She said she ________ (telephone) me when she got there.

动词填空

If you try ________ (study) hard, you will certainly make progress.

动词填空

Now products made of synthetic materials ________ (use) everywhere.

动词填空

Great changes ________ (take) place in the past few years in Shanghai.

动词填空

George ________ always ________ (change) his mind.

动词填空

A tent ________ (set) up by the students at the moment.