问题
I’ve worked in this school _ twenty years.[ ]
A: since
B: for
C: after
D:when
B: for
C: after
D:when
正确答案是:
同类题型
You should ______ the customers tea before meals.—But they said they couldn’t wait to eat.
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The Internet is really to us. We can download a lot of things from it.
Susan put her effort _______ volleyball training _______ a very young age.[ ]