标题: Please_____hesitate to ask me if you have any problems. [打印本页] 作者: 李老师 时间: 2017-2-3 21:07 标题: Please_____hesitate to ask me if you have any problems. Please_____hesitate to ask me if you have any problems.
A. not to.
B. do not.
C. not.
D. no.
满分：2 分
2. Someone is at the door. _____must be Mr. Black.
A. He.
B. It.
C. This.
D. That. A
满分：2 分
3. Group discussion_____a good opportunity for students to practice oral Eng¬lish.
A. process.
B. proves.
C. progress.