-----Do you think we should accept that offer?
------ Yes, we should, for we______ such bad luck up till now, and time ______ out.
| A．have had; is running | B．had ; is running |
| C．have; has been run | D．have had; has been run |
You had better not keep the window open , ____ ?
| A．will you | B．did you | C．had you | D．would you |
“That VCD you bought ____ very expensive” . “Do you know ____ ? ”
| A．ought to be ; how much it cost | B．may be ; how much it costs |
| C．must be ; how much it cost | D．can be ; how much doesn''t it cost |
“I won''t go to school today , Dad ? ” “____ . ”
| A．You shall | B．You should | C．You must | D．You will |
She must have seen the blind man many times , ____ she ?
| A．haven''t | B．didn''t | C．hasn''t | D．hadn''t |
— We quarrelled with the tallest girl in your class about the broken table .
— How silly ! You ____ it to our headmaster .
| A．are going to tell | B．would have told |
| C．should have told | D．ought have told |