----Drinking is harmful_______our health.
| A．to | B．be | C．with | D．at |
17．---May I surf the Internet tonight?
--- No, you ______．You must do the exercises．
| A．needn’t | B．won’t | C．mustn’t | D．don’t |
16．Julia _____ with a stranger when Jim went to the jacket he _____ in the restaurant．
| A．had quarreled; left | B．had quarreled; had left |
| C．was quarreling; has left | D．was quarreling; had left |
15．South of the lake _____ two famous universities．
| A．have | B．has | C．are | D．Is |
14．The picture looks very beautiful _____ the light wall．
| A．in | B．of | C．over | D．Against |
13．She works as a typist in a company．However, she doesn’t like the work, because _____ calls for patience and speed．
| A．which | B．it | C．what | D．She |