20.Since you are so busy, you do need a very secretary. A: excited B: efficient C: extreme D: reluctant

Girls have been teasing boys ………. 20 minutes. A: since B: for C: from D: in

It is 20 years ________ he came to live here. A: when B: before C: since D: that

Hecamehere__1992,andhehaslivedhere___1992. A: in,for B: in,since C: since,since

Energy projects have been built in over ______ countries since the proposal of BRI.（ ） A: 20 B: 10 C: 30 D: 40

A. Since high school B. Since very young C. Since elementary school D. Since secondary school

Ithas been almost 20 years since we __________ from here.?xml:namespace> A: graduate B: have graduated C: graduated D: were graduated

How long has Louis been living in England A: Since 1990. B: Since 1992. C: Since 1982.

It was ( ) I was in American ( ) he wrote to me. A: when… that B: since…where C: when…since D: ecause…since

The Bastille had been a prison ________ . A: since the time of Charles V B: since 1370 C: before the seventeenth century D: since the time of Cardinal Richelieu