---- Shall we go shopping this weekend?
----_________________.
| A．That’s right. | B．That’s all right. |
| C．Good idea. | D．It doesn’t matter. |
— What's the population ____ the U.S.A?
— The U.S.A has ____ population of 297 million.
| A．of…a | B．of… /, | C．in…a | D．in … some |
We should plant more trees on ____ sides of the street.
| A．either | B．both | C．all | D．each |
---What are you going to do next weekend?
---I _____ yet. Do you have any good ideas?
| A．haven't decided | B．won't decide |
| C．have decided | D．didn't decide |
About 75% percent of the students can go swimming ____the rest can't.
| A．while | B．and | C．so | D．or |
I don't like the big computer. It __too much money and __up a lot of space
| A．takes...not | B．costs...costs |
| C．takes...takes | D．costs...takes |