When he arrives at the bus stop, the bus for 20 minutes.
| A．has left | B．had left |
| C．has been away | D．had been away |
—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 |
I don’t think you can finish the work in such a short time, __________?
| A．can’t you | B．can you | C．do I | D．don’t I |
__________ useful advice he has given us!
| A．What a | B．What | C．How | D．What an |
I didn’t know when he _____ back. He said he would call me when he _____ home.
| A．would come, got | B．came, got | C．will come, gets | D．came, would get |