题目内容
19、
----What do you think has caused the fearful hurricane in American?
----- out too much warm gas
A. People cut forest at will and let
B. Because people cut forest at will and let
C.When people cut forest at will and let
D.People’s cutting forest at will and letting
试题答案
19、C
解析：句意为: 我认为明天我能够把你的打字机修好, 如果不能的话, 你得等到周末。If not是 if I can’t help you repair your typist tomorrow的省略形式。
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