Though I have often heard this song _______. I have never heard you _______ it.
| A．being sung, sang | B．sang, singing |
| C．sung, sing | D．to be sung, to sing |
In many places in China, bicycle is still poplar means of transportation.
| A．a; the | B．/; a | C．the; a | D．the; the |
-- I think he is selfish. -- _______, he is very noble and generous.
| A．In other words | B．You are right. |
| C．Don’t mention it. | D．On the contrary |
We went to the Lincoln Memorial yesterday, ___, not surprisingly, was crowded with visitors from all over the world.
| A．where | B．which | C．that | D．when |
Our monitor requested that ________.
| A．all the class studied more carefully the problem |
| B．the problem was more carefully studied |
| C．with great care the problem could be studied |
| D．all the class study the problem more carefully |
In fact___ is a hard job for the police to keep order in an important football match.
| A．this | B．that | C．there | D．it |