The magician picked several persons from the audience and asked them to help him with the performance.
| A．by accident | B．on occasion | C．at random | D．on an average |
I think I can help you repair your typist tomorrow. ________, you’ll have to will till this weekend.
| A．If so | B．if any | C．If not | D．If possible |
The workers will continue striking unless the demands they________are accepted.
| A．put away | B．put out | C．put forward | D．put aside |
Only when I saw Night Banquet a second time_______to appreciate its subject and music beauty.
| A．did I begin | B．that I began | C．I began | D．had I began |
Guangzhou’s high school students have been_______to a lot of foreign cultures,.but they never forget their own.
| A．contributed | B．limited | C．devoted | D．exposed |
I have something ______today — I must go and have a flight ticket to Washington______.
| A．to arrange ; to book | B．seen to; booked |
| C．dealing with; booked | D．to attend to; booked |