It is generally believed that constant reading and comprehending can ______ our mental ability of comprehension.
| A．approve | B．effect | C．strengthen | D．decide |
The English spoken in the United States in only slightly different from ______ spoken in England.
| A．which | B．what |
| C．the one | D．that |
– Do you think Jim can manage it on his own?
– ______. He is expert at dealing with such matters.
| A．Take care | B．I’m not sure |
| C．Don’t worry | D．Don’t mention it |
You’d better report the accident immediately to ______ is in charge of the project.
| A．what | B．whoever |
| C．whatever | D．who |
Johnson suggested that the problem worth paying attention to ______ at the meeting.
| A．be discussed | B．to be discussed |
| C．was discussed | D．being discussed |
Nothing else ______ more important than water in the place like a desert.
| A．we can’t find | B．can’t we find |
| C．can we find | D．we can find |