Tom, you’ve got a "D" in chemistry．____?
—Well, I find the subject hard and I think I’ll drop it for history next term．
| A．What if | B．How come | C．Why not | D．So what |
What he says and what he does ___ agree.
| A．doesn’t | B．don’t | C．isn’t | D．aren’t |
Although the first part is easy the rest ____.
| A．is supposed difficult | B．are difficult |
| C．has proved difficult | D．could have been difficult |
. Rain and freezing temperatures ____ to make snow.
| A．combined | B．combine | C．combine with | D．combined with |
. The express No.12_____ at two pm.
| A．reaches | B．gets in | C．cuts in | D．knocks |
Our city has changed a lot; who can tell what it will be like in ___ ten years?
| A．other | B．next | C．more | D．another |