50. Teachers should be _____ with their students but should not be _____ on them.
| A．hard; strict | B．strict; hard | C．hardly; strictly | D．strictly; hardly |
—Would you like another sandwich?
—Another sandwich? I _______ my first one yet.
| A．haven’t had | B．hadn’t had |
| C．didn’t have | D．don’t have |
The crazy fans _______ patiently for two hours, and they would wait till the movie star arrived.
| A．were waiting | B．had been waiting |
| C．had waited | D．would wait |
The hero’s story _______ differently in the newspapers.
| A．was reported | B．was reporting |
| C．reports | D．reported |
An increasing number of students,year by year,across China _______ hard to realize their dream of studying abroad.
| A．try | B．have tried |
| C．will try | D．are trying |
I’m very tired. I _______ on the night shift for several weeks.
| A．worked | B．had worked |
| C．have been working | D．have worked |