__________ entered the office when he realized that he had forgotten his report．
| A．He hardly had | B．Had he hardly |
| C．Hardly had he | D．Hardly he had |
The plan to be carried out next month needs ______ among the members of the labor union before ______.
| A．to discuss；carrying out | B．to be discussed；carried out |
| C．discussing；being carried out | D．discussed；to be carried out |
— How are the things in your village?
— Modern farming methods have been brought in and the villagers are ______ now than before.
| A．well off | B．better off | C．badly off | D．worse off |
— What do you think of the bottled water?
— I don’t like it at all. It is reported that much nutrition, including some minerals, ______ while it is being processed.
| A．are ridded of | B．are gotten rid of | C．gets rid of | D．is ridded of |
The operation room in every hospital has to ______ bacteria of any kind.
| A．keep free from | B．make it free from | C．be made free from | D．be kept free from |
Only ______ a human being.
| A．when is it hungry a lion will attack | B．when it is hungry a lion will attack |
| C．when it is hungry will a lion attack | D．when is it hungry will a lion attack |