问题

5.All their attempts to ________ the child from the burning building were in vain.

A:regain
B:recover
C:rescue
D:reserve

正确答案是：

同类题型

itor-in chief asked me to write an article forhim, ______ about AIDS patients in China

下列句子，有语病的一项是

Our teacher often tells us _______ our owncloth bags when shopping.

You’d better not bring your small son along, for this party is ________for only adults. [ ]

______ a pair of compasses, it is easy to describe a circle