The old man was telling a funny story, surrounded by many kids, _________ with fascination.
| A．all of whom listened | B．all of whom listening |
| C．all of them listened | D．all of them were listening |
___ himself in carrying out an experiment, he can’t spare time to look after his children.
| A．Occupied | B．Having occupied | C．Occupying | D．Having been occupied |
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 |