. 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 |
.
Thousands of athletes______ in many countries will compete _______ medals in the 2008 Olympic Games in Beijing.
| A．involved; in | B．involving; by |
| C．to involve; against | D．involved; for |
.
Would you like to ______ us? We are going to _____ the school’s 20th anniversary celebration.
| A．join in; take part in | B．join in; join |
| C．take part in; join | D．join; take part in |
.
The audience was _____ very young children so there was a lot of noise while the concert was going on.
| A．consisted in | B．made up for | C．consisted of | D．made up of |
.
The lion is considered the king of the forest , for it is a(n)________ of courage and power.
| A．example | B．sign | C．mark | D．symbol |
.
She wanted to know _________.
| A．whether I knew her and where did she work |
| B．if I knew her and the factory she worked there |
| C．whether I knew her and factory she worked |
| D．if I knew her and the factory where she worked |