一Alex has gone to New Zealand．一Oh，could you tell me________?
| A．when he left | B．when did he leave |
| C．when he is leaving | D．when is he leaving |
It _________ rain this afternoon, but I am not sure.
| A．will | B．can | C．must | D．may |
_________ the help of man-made satellites, we can know what the weather will be like
in the next few days.
| A．Under | B．With | C．Using | D．By |
---- Is the physics problem _________?
---- Yes, I can work it out _________.
| A．easy; easily | B．easy; easy | C．easily; easily | D．easily; easy |
Don’t worry, Sir. I’m sure I can run _________ to catch up with them.
| A．slowly enough | B．enough slowly |
| C．fast enough | D．enough fast |
---- I watched the TV program last night.
---- _________.
| A．So I do | B．So I did | C．So did I | D．So do I |