问题
选择题
The experiment is of particular importance.
—I see. We will carry on with it ________ we can get enough money.
A.unless
B.though
C.whether
D.until
答案
答案:C
The experiment is of particular importance.
—I see. We will carry on with it ________ we can get enough money.
A.unless
B.though
C.whether
D.until
答案:C