（）2. A: What are ? B: They are onions.

A.that
B.this
C.these

2.C

() 3. A: Try some tomatoes. B:

A.Be careful.
B.Thank you.
C.Sorry.

3.B

（）4. Plants water and sunshine to grow.

A.need
B.needs
C.needing

4.A

（）5. Look! The little seed now. It will become a flower.

A.sprout
B.sprouts
C.is sprouting

5.C

一、补全对话。从方框中选择合适的句子补全对话，并将其字母标号填写在横线上。
A. Can I try some? B. Are they potatoes?
C. Thanks. Yummy! D. Yes, they are.
E. Yes, and the tomatoes are big, too.
Mike: 1.
Farmer: No, they aren't. They're tomatoes.
Sarah: Are they carrots?
Farmer: 2.
Mike: Look at the apples. They are so big.
Farmer: 3.
John: 4.
Farmer: OK.
John: 5.

1.B 2.D 3.E 4.A 5.C