12．I have written down everything that I saw and heard____memories are still fre

题型：不详难度：来源：

12．I have written down everything that I saw and heard____memories are still fresh.

A．since

B．while

C．before

D．Unless

答案

解析

略

举一反三

17．－I didn"t pass the English exam.
－Work hard, _______you"ll succeed.

A．and

B．but

C．or

D．So

题型：不详难度：| 查看答案

20．It was four o"clock in the afternoon_____he and his grandpa reached the museum in Guanghan, _____an official warmly received them.

A．that; where

B．when; that

C．when; where

D．that; when

题型：不详难度：| 查看答案

The factory was built in a secret place, around _____ were high mountains.

A．where

B．it

C．that

D．Which

题型：不详难度：| 查看答案

Our bad living habits will destroy the earth. Only by changing ____ we live can we save the earth.

A．that

B．what

C．how

D．Where

题型：不详难度：| 查看答案

—Shall we attend the concert this evening? —Great idea, ___ we can do some shopping first.

A．when

B．where

C．since

D．if

题型：不详难度：| 查看答案