— Why! I _____ get you on the phone.
— We ______ basketball on the playground when you phoned.
| A．didn't; must be playing |
| B．couldn't; must be playing |
| C．couldn't; must have played |
| D．didn't; must have been playing |
— Shall I tell Tom about it ? — No , you ____ . I''ve told him already .
| A．needn''t | B．wouldn''t | C．mustn''t | D．shouldn''t |
There used to be a church in the past , ____ ?
| A．isn''t there | B．didn''t there | C．usen''t it | D．used not it |
— There were already five people in the car but they managed to take me as well .
— It ____ a comfortable journey .
| A．can''t be | B．shouldn''t be | C．mustn''t have been | D．couldn''t have been |
We ____ last night , but we went to the cinema instead .
| A．must have studied | B．might study | C．should have studied | D．would study |
— Dare you go swimming in the sea ? — No , ____ .
| A．I dare not | B．don''t dare | C．don''t dare go | D．I am afraid |