Prices of daily goods ________through a computer can be lower than store prices．
| A．are bought | B．bought | C．been bought | D．buying |
Don''t be worried . The news ____ be true .
| A．may not | B．mustn''t | C．needn''t | D．shan''t |
Peter ____ come with us tonight , but he is not very sure yet .
| A．must | B．may | C．can | D．will |
I can''t find Jane anywhere in the office building . Where ____ she have gone ?
| A．must | B．can | C．should | D．need |
There were already five people in the car but they managed to take me as well . It ____ a comfortable journey .
| A．can''t e | B．shouldn''t be | C．mustn''t have been | D．couldn''t have been |
Mary ____ be in Paris . I saw her a few minutes ago .
| A．mustn''t | B．shouldn''t | C．can''t | D．may not |