He didn't go to play ______ he finished his homework.

[    ]

A. if   B. by   C. until   D. for

Please wait here ______ I come back.

[    ]

　　A. when   B. while   C. until   D. since

If you blow a mirror, you will find the glass ______ at once with little drops of water.

[    ]

　　A. covered   B. covering   C. to cover   D. cover

He can't work out the maths problem, and I can't, ______.

[    ]

　　A. also   B. too   C. either   D. neither

I won't be back home on time because I have a meeting ______.

[    ]

　　A. to attend   B. to be attended   C. 　　attending   D. attend

根据汉语意思在A、B、C、D中找一处错：

解放以来我国发生了巨大的变化。

[    ]

Great changes(A) have been taken place(B) in China(C) since liberation(D).

Yunnan is ______ the southwest of China.

[    ]

　　A. at   B. to   C. in   D. on

It's good manners to wait ______ line.

[    ]

　　A. in   B. on   C. at   D. with

It's time ______ Li Ping ______ go to work.

[    ]

　　A. for, to   B. to, to   C. for, for   D. to, for

When temperature is raised, ice changes ______ water, and water turns ______ vapour (蒸气).

[    ]

　　A. into, into   B. to, to   C. in, in   D. from, from