-How amazing it is that astronauts are exploring outer space!
-It’s a challenge, I guess, ______ man against nature.
| A．of | B．for | C．by | D．about |
——You missed a good chance .
——Yes , I that job when it was offered .
| A．should take | B．should have taken |
| C．must have taken | D．would take |
——May I use your phone ?
——.I’m expecting a call .
| A．I’m afraid not | B．That’s OK | C．With pleasure | D．No , thanks |
—Do you think David will fail in the maths exam again?
—____________.
| A．No, I don’t believe it | B．I hope not |
| C．I expect not | D．I don’t suppose it |
No sooner ________ themselves in their seats in the theatre _______ the curtain went up.
| A．they have settled; before | B．had they settled; than |
| C．have they settled; when | D．they had settled; than |
At the computer operation test, one is supposed to stay at his own machine, keep his eyes on his screen, _______ to anyone.
| A．and not to speak | B．but could not speak |
| C．instead of speaking | D．or rather speak |