Mary _____ be in London because I saw her in town just now.
| A．mustn’t | B．isn’t able to | C．needn’t | D．can’t |
A number of students ________the exam so far，but the number of the students who failed ________great.
| A．passed；were |
| B．has passed；are |
| C．have passed；is |
| D．have passed；are |
The traditional ____________to dealing with complex problems is to break them down into smaller，more easily managed problems.
| A．approach |
| B．concept |
| C．belief |
| D．wisdom |
The English test was so easy that most of the students had no ________finishing it in given time.
| A．difficult |
| B．question |
| C．bother |
| D．time |
Many people ________in old days.
| A．starved to death |
| B．starved into death |
| C．was starved to death |
| D．was starved |
－Do remember to see a doctor tomorrow.
－________.
| A．Got it |
| B．Heard it |
| C．Made it |
| D．Taken it |