问题

They have been friends __________ they were at primary school.

A:before
B:as soon as
C:since
D:when;

正确答案是：

同类题型

Her sister ______ a rich man. They ______ for twenty years.

D0 you consider it any good__________thetruck again

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Jane has to go to see her grandma with her parents, so the can’t go to see Avatar with us.—____

I will spend as much time as I the lesson.