The experts have given some practical advice ______ the problems that most people are concerned about in food safety.
| A．in charge of | B．in honor of |
| C．in favor of | D．in regard to |
.
It is suggested that medicine should not be kept where it is __________ to little children.
| A．acceptable | B．accessible | C．available | D．preferable |
.
In his opinion, man should try to make ________ most of the natural resources in ________Atlantic Ocean.
| A．/; the | B．/; / | C．the; the | D．the; / |
.
The man to whom we handed the forms pointed out that they had not been ________ filled in.
| A．slightly | B．properly | C．regularly | D．eventually |
.
Playing with a cell phone, he suddenly ________ the teacher staring at him.
| A．knew of | B．became aware of |
| C．reflected | D．aware for |
.
She seemed ________ the book before, but she said she had never.
| A．to read | B．to have read | C．to be reading | D．reading |