问题

Many people can’t learn any lessons from the mistakes they’ve made ________ they get hurt somehow.

A:whether
B:as
C:if
D:unless;

正确答案是：

同类题型

do you think of the price of thesecomputers— They are at least equal in price to, if notcheaper than, ____at the other companies

What’s his telephone number —_______ 625-7886.

Hi, Jack. Did you go to Lucy’s birthday party—No, I felt so sad. I_______then.

A: Could I clean the bedroom for you B: No, thanks. I ______ it myself.

You’ve got a stomachache? But we ate at the same place. How come my stomach is fine? –You have an iron stomach! Mine isn’t ___ strong.