问题

Important _______ having an ambition is, it must be channeled in the right direction. Otherwise, it would ruin ourselves and others.

A:though
B:if
C:when
D:while

正确答案是：

同类题型

came all the way to inform you of the time and place of the meeting. —You could have _____ yourself the trouble.

do you play tennis I play it three times a week.

Did you remember to give Marry the money you owed her？—Yes, I gave it to her _______ I saw her.

My brother is busier than I, so he has _______free time than I .

They need to come_____ a good idea.