What _________ pity you didn’t go to ______ concert with us! It was so exciting!
| A．不填；a | B．a; the | C．a; 不填 | D．the; the |
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 |
The reason _____ he was driving his car so fast was _____ he would be late.
| A．because, that | B．why, because |
| C．for which, that | D．that, that |
But for their help, we ______ the program in time.
| A．can not finish | B．will not finish |
| C．had not finished | D．could not have finished |