Out of the crowded bus , who was dressed in a black suit and waved to a woman.
| A．a tall man in his thirties stepped | B．stepped a tall man in his thirties |
| C．did a tall man in his thirties step | D．did a tall man step in his thirties |
It was only when her sorrow that Tom looked at her.
| A．broke out | B．happened | C．took place | D．gave out |
Once the poison is _____ , there is no further danger.
| A．brought up | B．brought in |
| C．brought back | D．brought about |
---What a large and bright room ! Is it a classroom?
---No, It _____ the students’ reading-room.
| A．refers to | B．stands for |
| C．is supposed to be | D．is meant for |
I tried to work on, but I was so tired that I could no longer _____ .
| A．bear out | B．hold on | C．hold up | D．work out |
---Let’s go to the lecture on International Trade this evening.
---That’ s great. I’ll _____ you at 6: 30.
| A．call up | B．call to | C．call for | D．call on |