everybody enjoys fresh cut flowers around his house．few people know how to k

题型：不详难度：来源：

everybody enjoys fresh cut flowers around his house．few people know how to keep them for as long as possible．

A．Because

B．Since

C．While

D．If

答案

解析

while引导让步状语从句，表示“虽然”之意。

举一反三

——How do you think I should receive the reporter?
——____ you feel about him, try to be polite.

A．How

B．What

C．Whatever

D．However

题型：不详难度：| 查看答案

--- Are your family ready for rafting?
---Yes, I really want my children to experience that they are young

A．

B．while

C．unless

D．if

题型：不详难度：| 查看答案

She had golden hair when she was a child, but_________ she got older and older; her hair went darker and darker.

A．while

B．when

C．after

D．as

题型：不详难度：| 查看答案

We should do such exercises in the future, I think, _____ we did yesterday.

A．as

B．for

C．about

D．than

题型：不详难度：| 查看答案

Children’s brains can’t develop properly_______ they lack protein.

A．when

B．since

C．because

D．unless

题型：不详难度：| 查看答案