Mrs. Green told the policeman that she ________ the thief before.
[ ]
|
A．has seen |
B．had seen |
C．sees |
D．saw |
从A、B、C、D四个选项中，选出可以填入空白处的最佳答案。
We should do something to prevent the river ________ .
[ ]
|
A．to have been polluted |
B．from polluting |
|
C．from being polluted |
D．into being polluted |
It ________ hard when you leave home.
[ ]
|
A．will be raining |
B．will have rained |
|
C．will have been raining |
D．will have been rained |
You, who ________ ready to offer him your assistance at any time, are a true friend of his.
[ ]
|
A．is |
B．are |
C．was |
D．were |
Light waves are electromagnetic, ________ are radio waves.
[ ]
|
A．same |
B．such |
C．so |
D．as |
The old lady sat there motionless, her eyes ________ on her son's photo.
[ ]
|
A．fixed |
B．were fixed |
|
C．fixing |
D．were fixing |
We are going to visit Nanjing, ________ is the capital of Jiangsu province.
[ ]
|
A．where |
B．which |
C．that |
D．what |
This article is written by her father, ________ is now teaching in a university.
[ ]
|
A．who |
B．that |
C．whose |
D．whom |
John could hardly manage to finish the work, ________ ?
[ ]
|
A．did he |
B．didn't he |
C．could he |
D．couldn't he |