— Did a letter come for me this morning?
— Yes. _____ came for you.
| A．That | B．It | C．One | D．The letter |
----What terrible weather! I really don't agree with it!
----- ____________ ．
| A．Me too | B．It doesn't agree |
| C．I can't agree more | D．Nor do I |
______the bones under the sand，the scientists concluded that they came from the dinosaurs about 65 million years ago．
| A．Being inspected | B．Inspected |
| C．Having inspected | D．To inspect |
She is a quiet girl at school，but sometimes she _____be very naughty．
| A．should | B．would | C．can | D．will |
Shy people often avoid situations _____would force them into close contact with other people．
| A．where | B．which | C．when | D．what |
-----How long do you think it will be _____man can finally solve the problem of cancer?
------Well．it depends．
| A．when | B．until | C．after | D．before |