Yesterday I met Jim. We ____________ each other since we _________ middle school.
| A．haven’t seen ; finished | B．haven’t seen; finishing |
| C．hadn’t seen; finishing | D．hadn’t seen; finished |
-Must I send my uncle an e-mail now, Dad?
-No, you ____.You____ do that after you finish your homework.
| A．couldn’t; may | B．can’t; can | C．needn’t; can | D．may not; must |
-_____important it is to study English well! Do you think so ?
-Yes, I agree with you.
| A．What | B．What a | C．How a | D．How |
On holidays, they prefer to ______ at home rather than ______.
| A．staying, going hiking | B．stay, going hiking |
| C．stay, go hiking | D．staying, go hiking |
—Could you help me carry this box? It’s too heavy.
—__________.
| A．It’s my pleasure | B．With pleasure | C．That’s all right | D．That’s ok |
People should __________ from __________ down the trees to protect the earth.
| A．be stopped, to cut | B．stop, to cut |
| C．be stopped, cutting | D．stop, cutting |