Lorry, ___ university student from America, teaches us ___ history of western art.
| A．an; the | B．a; the | C．the; / | D．the; a |
They were already accustomed ________, so no one complained.
| A．to wait | B．to waiting |
| C．not to wait | D．to not waiting |
I ______ have watched that movie --- it will give me horrible dreams.
| A．neednt | B．shouldn’t |
| C．couldn’t | D．mustn’t |
The police say radio signals were probably used to set the bomb __________.
| A．about | B．down | C．off | D．out |
--- John went to the hospital alone.
--- If he _______ me about it, I would have gone with him.
| A．should tell | B．tells |
| C．told | D．had told |
Please read the ________ on the bottle and take the right amount of medicine.
| A．explanations | B．descriptions |
| C．instructions | D．introductions |