. According to some doctors, one of the ways to prevent us from growing old is to make sure
that our brains get enough___.
| A．performance | B．exercise | C．experience | D．sport |
Many people have donated that type of blood; however, the blood bank needs _____.
| A．some | B．less | C．much | D．more |
The landlady prefers to have women in the apartment rather than men. She thinks women take______ care of things!
| A．well | B．good | C．better | D．best |
A person who has never tasted bitter won’t know ______ sweet is.
| A．which | B．what | C．when | D．why |
The order came that the medical supplies to Beijing for the H1N1 flu soon.
| A．would be sent | B．should send |
| C．be sent | D．must be sent |
— The professor gave a really good speech.
— I suggest you ______ him some specific questions about his work experience.
| A．have asked | B．will ask | C．asked | D．ask |