“Why didn’t she come to the meeting yesterday?” “I’m not so sure. She ______ ill.”
| A．should be | B．should have been |
| C．must be | D．might have been |
Quite a lot of people __________ the tradition of making pancakes on Shrove Tuesday.
| A．catch up |
| B．date back |
| C．blow up |
| D．keep up |
—Did you forget about my birthday?
— __________ I've booked a table at Micheal's restaurant for this evening.
| A．What then? |
| B．I'm afraid so. |
| C．How could I? |
| D．For sure. |
All the __________ blood must be tested for HIV and other infections, which is important for the patients.
【选项
| A．determined |
| B．donated |
| C．disabled |
| D．distributed |
They are considering __________ the house before the prices go up.
| A．purchase |
| B．purchasing |
| C．purchased |
| D．to purchase |
She has a gift for creating an atmosphere for her students __________ allows them to communicate freely with each other.
| A．which |
| B．where |
| C．what |
| D．who |