| 1. 难度：简单 | |
|
We ________ last night, but we went to the concert instead. A. must have studied B. might study C. should have studied D. would study
|
|
| 2. 难度：简单 | |
|
It also awards me _____ opportunity to learn American culture at _____ first hand. A. /; the B. the; a C. an; / D. /; a
|
|
| 3. 难度：简单 | |
|
. Some inventions are well received, but _____ function, they aren't very successful. A. according to B. in terms of C regardless of D. owing to
|
|
| 4. 难度：简单 | |
|
. The young teacher found it hard to _____ his explanation in class most of the time. A. go through B. pull through C come acmes D. get across
|
|
