课后练习：

1、When you go out into the world, watch for traffic, holdhands and _____ together.

A. stick B. stuck C. strike D. struck

2. Put things back _______ you found them.

A. what B. while C. where D. which

3. Goldfish and hamsters all die. ________.

A. So do us B. So we do C. So are we D. So do we

4. Think of what a better world ______ if we all had cookies and milk about 3 o’clock every afternoon.

A. would it be B. it would be C. will it be D. it going to be

5. It would be a better world if we all _____ with ourblankets for a nap.

A. lay down B. laiddown C. lain down D. lied down

6.No matter how old you are, when you go out into the world, it _____ to hold hands and stick together.

A. would better B. had better C. be better D. is better

答案：1A 2C 3D 4B 5A 6D

补充练习：

1. Don't take things .

A. that aren't yours B. which aren’t you C. that aren’t you D. which aren’t yours