Scientists have created GM tomatoes which ______ fresh for 45 days, three times as long as normal tomatoes.
| A．are stayed | B．have been stayed | C．stay | D．stayed |
——Would you like to wait here for ?
——No, I have been here that long .
| A．other ten minutes | B．the other ten minutes |
| C．another ten minutes | D．more than ten minutes |
——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 |