15. Brian says it is the easiest thing in the world ___ smoking. He himself has done it lots of times! A. to give in B C D B. to give up C. to give out D. to give off ...
10. He wasn’t a very experienced worker and he had difficulty ____ his job. A. catching up with B. holding down C. suiting with D. holding on ...
6. I’m sorry that I can’t ___ your invitation. A. agree to B. accept C. receive D. adopt ...
2. excessive 选择能代替的选项 A. immoderate B. impressive C. inefficient D. insufficient ...
21. He __ his overcoat and went out A. dressed in B. put on C. wore on D. put off ...
17. Comrade Zhang gave them a talk on laser beams last week,____? A. is he B. doesn’t he C. didn’t he D. has he ...
12. The diamond is a solid and the air is a (fluid).选择能代替括号里的选项 A. gas B. liquid C. current D. atmosphere ...
8. Water is (essential) to the growth of crops.选择能代替括号里的选项 A. needy B. basic C. necessary D. important ...
3. I would like to ____ my appreciation for your cooperation. A. express B. receive C. impress D. indicate ...
10. Problems like this seldom ____ in the collage. A. arouse B. arise C. raised D. rise ...