--- He has to finish the experiment today. He must be in the lab,____?
---That s quite possible.
| A．mustn't he | B．won't he | C．doesn't he | D．isn't he |
The research showed beyond ________ that smoking contributes to heart diseases.
| A．wonder | B．doubt | C．problem | D．use |
The man is____ a serious nervous breakdown because he is unable to deal with pressure from daily life.
| A．at the edge of | B．on the edge of | C．on behalf of | D．on the top of |
I believed, though I could be mistaken,______ he liked me.
| A．that | B．what | C．which | D．where |
The farmers were more anxious for rain than the people in the city because they had more _____.
| A．at length | B．at last | C．at stake | D．at ease |
Don’t worry about the present situation in the world;____ of people prefer peace to war.
| A．Most | B．a great many | C．the majority | D．the number |