11. He will not be() to vote in this year’s election.

√A. old enough B. as old enough C. enough old D. enough old as

12. Were it not for friction, we() to walk on this planet of our own.

√A. would not be able B. should not have been able

C. were not able D. are not able

13. () will Mr. Forbes be able to regain control of the company.

A. With hard work B. In spite of his hard work

C. Only if he works hardly √D. Only with hard work

某些副词置前要倒装，如only , so , then ; only在修饰状语时才倒装;

14. Not() did she refuse to speak to Jim, but also she decided never to

see him again.

A. even √B. only C. at all D. always

15. So badly () in the accident that Smarton was delayed in the howpital

for treatment.

A. did he injure B. he injured √C. was he injured D. he was injured