.It’s about a time _____ there were black slaves in North America.A．whereB．whenC

题型：不详难度：来源：

.It’s about a time _____ there were black slaves in North America.

A．where

B．when

C．how

D．that

答案

解析

略

举一反三

Never believe anything ______ any other person has believed it. Use your own head.

A．that

B．when

C．because

D．once

题型：不详难度：| 查看答案

_______ well prepared a gymnast is, he still needs a lot of luck in performing.

A．Whatever

B．Although

C．No matter

D．However

题型：不详难度：| 查看答案

Every time ______ I see the picture there, I think of my days in a remote mountain village.

A．when

B．while

C．as

D．/

题型：不详难度：| 查看答案

We’d better hurry up. The exhibition hall is a bit far from ______ we are now.

A．what

B．which

C．that

D．where

题型：不详难度：| 查看答案

. He removed the tree ____________ it was the best in the ground.

A．when

B．if

C．because

D．as

题型：不详难度：| 查看答案