题目内容
-The experiment is of particular importance.
-I see.We will carry on with it ________ we can get enough money.
[ ]
A.unless
B.whether
C.though
D.until
答案:B
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题目内容
-The experiment is of particular importance.
-I see.We will carry on with it ________ we can get enough money.
A.unless
B.whether
C.though
D.until