Bill was staying on a farm with his uncle last summer.So ____ Mary.
| A．did | B．has | C．was | D．is |
I believe this treaty will ____ the way to peace in Europe.
| A．connect | B．count |
| C．move | D．pave |
Who will be ______ the company when the manager is out?
| A．in charge of | B．in the charge of |
| C．take charge of | D．take the charge of |
The reason ______ he missed this class was quite different from the one ______ you explained
to me.
| A．that; why | B．why; that |
| C．/; that | D．why; why |
Mr. White ______ at 8:30 for the meeting, but he didn’t show up.
| A．should have arrived | B．shouldn’t have arrived |
| C．should arrive | D．shouldn’t arrive |
We do not allow ______ in the lecture hall, so you are not allowed ______ here.
| A．smoking; to smoke | B．to smoke；smoking |
| C．smoking; smoking | D．to smoke；to smoke |