______ the task is difficult, they managed to complete it on time.A．BecauseB．Th

题型：不详难度：来源：

______ the task is difficult, they managed to complete it on time.

A．Because

B．Therefore

C．As

D．Though

答案

解析

虽然任务难，但他们设法及时完成了。因此选D。

举一反三

______ the Internet is of great help, I don’t think it’s a good idea to spend too much time on it.

A．If

B．As

C．Because

D．While

题型：不详难度：| 查看答案

________ you have a large vocabulary, you will find it easy to read.

A．Once

B．Before

C．Unless

D．Even though

题型：不详难度：| 查看答案

—— Oh, it’s raining hard outside. Mum, do you think the milkman will come?
—— Of course. He will come on time _____it rains.

A．in case

B．even though

C．as long as

D．ever since

题型：不详难度：| 查看答案

-----Do you have a minute? I’ve got something to tell you.
-----Ok, ______ you make it short.

A．now that

B．if only

C．so long as

D．every time

题型：不详难度：| 查看答案

_______ you work hard, you won’t solve this problem.

A．Even

B．As

C．Unless

D．Since

题型：不详难度：| 查看答案