_______ the rain falling so hard, it becomes more and more difficult to carry on the rescue work.
| A．Since | B．As | C．With | D．For |
______ the little kid wanted to do something himself made his parents very happy.
| A．That | B．/ |
C．What | D．Where |
The girl ______ the toy carefully and was sure it was not the one she had lost.
| A．examined | B．noticed |
C．observed | D．proved |
—I’m amazed to hear that Frank and Linda have broken up.—________. They were walking happily hand in hand last time I saw them.
| A．So am I |
B．Neither am I |
C．Nor do I |
D．So do I |
I don’t think Linda could have done such a stupid thing last night, _________?
| A．do I | B．didn’t she |
| C．did she | D．don’t I |
The computer system ________ suddenly while he was searching for information on the Internet.
| A．broke down | B．broke out |
| C．broke up | D．broke in |