19、 It is useless trying to ____ her that she doesn’t need to lose any weight.

A. believe      B. convince         C. warn         D. ensure

18、The children of mothers who use crack or cocaine are often born ____ the drug.

A. addicted to        B. engaged in   C. related to D. concerned about

17、 He's asking ?5000, but he may be willing to____ to ?4800.

A. take down         B. turn down         C. break down       D. come down

16、

By late autumn Mediterranean islands have____, and can have rainy days.

A. cooled off          B. worked out    C. broke off      D. got away

15、Don’t let anyone get you into the habit of taking drugs. It is a terrible thing to take drugs ______.

A. out of the habit  B. in habit   C. through habit   D. out of habit

14、Martin Karplus of Harvard University touched on the issue at a conference ____ People in 1990.

A. in terms of   B. in honor of     C. in charge of         D. in search of

13、 Due to circumstances ____ our control the performance has had to be cancelled.

A. above              B. within           C. beyond         D. over

12、Today, just 5% remains of the original wooded land that ____ from the Atlantic to the Mississippi.

A. stretched         B. spread    C. reached     D. expanded

11、My dad gave me a ____ on the evils of alcohol last night.

A. conference       B. lecture     C. meeting   D. discussion

10、It was a difficult ____, but we finally decided that Hannah should have the prize.

A. way   B. choice    C. possibility     D. selection