24．While reading, you can make a mark _____ you have a question．A．the place wher

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24．While reading, you can make a mark _____ you have a question．

A．the place where

B．what

C．that

D．Where

答案

解析

略

举一反三

____________ the news, so far, has been good, there may be bad days ahead.

A．When

B．While

C．If

D．As

题型：不详难度：| 查看答案

She’s in a hopeless situation, ___________ we will keep a very close eye on.

A．where

B．when

C．which

D．that

题型：不详难度：| 查看答案

24．Excuse me, Madame. You still haven’t answered my question yet. Was it at 8 o’clock
you heard Mr. Croft_______at the door?

A．when; knocking

B．when; knock

C．that; knocking

D．that; knock

题型：不详难度：| 查看答案

34．It happened so fast. _______she had time to realize what was happening, she was struck on the head by a vase.

A．Before

B．When

C．Since

D．As

题型：不详难度：| 查看答案

-- I"d like to invite you to a party tomorrow evening.
-- Thank you, but ______ I"ll be free I"m uncertain.

A．while

B．if

C．when

D．whether

题型：不详难度：| 查看答案