I __________ the names of plants.
| A．familiar with |
| B．are not familiar to |
| C．am not familiar as |
| D．am not familiar with |
This argument sounds reasonable, but ___________ it’s incorrect.
| A．fortunately | B．actually | C．naturally | D．obviously |
This dictionary, which I bought yesterday, has been highly _______ by my professor.
| A．acknowledged | B．appealed | C．recommended | D．commanded |
It is thought that Henan Shuanghui Industry Group Co., Ltd. ____take responsibility for its consumers.
| A．can | B．may | C．must | D．need |
As a student of Senior Three, he has very little free time __ he can spend developing his own interest.
| A．when | B．in which | C．at which | D．that |
Mary is always ready to do some __ work at the local geracomium（敬老院）in her spare time.
| A．responsible | B． exhausting | C．voluntary | D．professional |