— Did you see the boys yesterday afternoon?
— Yes. I saw them ________ the fence when I passed.
| A．climb | B．climbed | C．to climb | D．climbing |
Published in 1974,the book was a(n) _____ success and was soon translated into thirteen foreign lanuages.
| A．constant | B．instant | C．confident | D．innocent |
The Medical Research Council said it could not _____ use of the new drug without further tests.
| A．assist | B．acquire | C．accuse | D．approve |
In an interview, don’t say anything negative about your employer---it gives a bad______.
| A．attitude | B．experience | C．decision | D．impression |
Under the new policy, anyone who is found ______ in the school building will be fined $60.
| A．smoke | B．smoking | C．to smoke | D．smoked |
The Internet is widely used, which ______ the development of English.
| A．speeds up | B．takes over | C．gets across | D．turns to |