. It is reported that two hotels，_____ are being built in my hometown，will open next year.
| A．they both | B．which both | C．both of them | D．of which both |
It was playing computer games that cost the boy plenty of time that he ________ have spent doing his lessons.
| A．might |
| B．must |
| C．ought to |
| D．could |
—________ I return the dictionary within three days?
—No, you ________. You ________ keep it for five days.
| A．May; needn’t; will |
| B．Can; mustn’t; would |
| C．Must; don’t have to; can |
| D．Shall; can’t; should |
Sir, you ________ be sitting in this waiting room. It is for women and children only.
| A．oughtn’t to |
| B．can’t |
| C．won’t |
| D．needn’t |
The train has gone. You two ________ on time.
| A．should come |
| B．must have come |
| C．ought to have come |
| D．shouldn’t have come |
There was plenty of time. She ________ to the station.
| A．mustn’t have hurried |
| B．couldn’t have hurried |
| C．must not hurry |
| D．needn’t have hurried |