_____ seemed as if nobody knew anything about the matter.
| A．This | B．That | C．It | D．One |
I got an e-mail from Liu Xin, ___ said she was going abroad for further study.
| A．who | B．she | C．which | D．it |
The fact that people are afraid to go out at night is often a result of perceived (感知) danger ________actual danger.
| A．other than | B．more than | C．rather than | D．better than |
In Hangzhou, Mr. Black was so struck ______ the beauty of nature that he stayed
________ another night.
| A．at ; on | B．with ; at | C．for ; in | D．by ; for |
It is morning _____ we have four classes, not afternoon.
| A．when | B．which | C．that | D．why |
Mother told Jim to watch the milk until it boiled and then _________ off the gas.
| A．turn | B．turning | C．turned | D．having turned |