Jack wasn’t saying anything，but the teacher smiled at him________he had done something very clever.
| A．as if | B．in case | C．while | D．though |
She must have seen the blind man many times , ____ she ?
| A．haven''t | B．didn''t | C．hasn''t | D．hadn''t |
— We quarrelled with the tallest girl in your class about the broken table .
— How silly ! You ____ it to our headmaster .
| A．are going to tell | B．would have told |
| C．should have told | D．ought have told |
____ keep it a little longer ? I want it very much .
| A．Able I to | B．Be able I to | C．Can I | D．Can I able to |
The fire spread through the hotel very quickly but everyone ____ get out .
| A．had to | B．would | C．could | D．was able to |
— When can I come for the photos ? I need them tomorrow afternoon .
— They ____ be ready by 12:00 .
| A．can | B．should | C．might | D．need |