-Was the guest's speech interesting?
-Not at all. He was at a ______ and didn't know what to say when others asked him questions.
| A．loss |
| B．relief |
| C．goal |
| D．mercy |
In fact, is really a hard job for the police to keep order in an important football match．
| A．this | B．that | C．there | D．it |
They considereda computer, which was considereda great help in their work．
| A．to buy; to be | B．buying; being | C．to buy; being | D．buying; to be |
The number of people invited __________ fifty, but a number of them _______ absent for different reasons.
| A．were… was | B．was… was |
| C．was… were | D．were… were |
The place was flooded ________ it had been raining for several weeks.
| A．because | B．because of | C．ever since | D．as a result of |
Mr. Smith has been here for only a few days, so he hasn’t left a deep impression _____ us.
| A．on | B．with | C．about | D．for |