Leave your key with a neighbor ________ you lock yourself out one day.A．soon aft

题型：不详难度：来源：

Leave your key with a neighbor ________ you lock yourself out one day.

A．soon after

B．even if

C．ever since

D．in case

答案

解析

考查连词，soon after 不久以后，even if 即使，ever since 自从，in case 以防，以免，句意:把你的钥匙留给你的邻居以防有一套你把自己所在外面。故选D。

举一反三

she tells him the truth now, he’ll simply keep on asking her until she does.

A．Unless

B．Once

C．If

D．Immediately

题型：不详难度：| 查看答案

Zhouqu, Gansu was attacked by such a terrible mud-rock flow few residents had ever experienced before.

A．as

B．which

C．where

D．that

题型：不详难度：| 查看答案

It was foolish of you to take a taxi ___ you could easily walk there in five minutes.

A．while

B．when

C．since

D．before

题型：不详难度：| 查看答案

--The plane is due to take off at 7∶50 from the airport.
--________ we fail to arrive there in time?

A．What if

B．As if

C．Even if

D．Only if

题型：不详难度：| 查看答案

We won’t give up __________ we should fail 10 times.

A．even if

B．since

C．whether

D．until

题型：不详难度：| 查看答案