----Do you have any idea why Jenny left the firm?
---Probably , she _____ for a pay rise, but was turned down.
A. has held out B. holds out
C. held out D. has been holding out
--What a pity! George ____well quit the trip to Hangzhou. --Let me phone him for the final decision.[
A. can B. must
C. shall D. may
It may be necessary to stop______in the learning process and go back to the difficult points in the lessons.
A. at intervals B. at random
C. at ease D. at length
The natural environment should be protected because of the important role _______ plays in human survival and development.
A. which B. the one
C. it D. that
---Was the proposal passed at yesterday’s meeting?
---Yes, but some members of the committee expressed__________.
A. association B. reservation
C. authority D. corporation
1.先前的，以往的 ________________
2.视觉的 ___________________
3.表演，表现（n.） __________________
4.研究院，学会 _______________
5.技术的，技能的 _________________
6.增强，巩固 ____________________
7.参加， 参与（v.） ____________________
8.保证，担保 _____________________
9.娱乐 （n.）______________________
10.哀伤，哀悼 _____________________
11.（词组） 提出，想出 ________________
12.（词组）对…有积极的态度 _____________
13.（词组）古人云 __________________________
14.（词组）接纳 __________________
