(25.6)Miss Zhang has taught here --- she left school.A.before B.afterC.when D.since我觉得是B,因为这里是现在完成时,A排除(过去完成),C不对,D应该是用在现在完成进行时.但是我们同学都选D.

问题描述:

(25.6)Miss Zhang has taught here --- she left school.
A.before B.after
C.when D.since
我觉得是B,因为这里是现在完成时,A排除(过去完成),C不对,D应该是用在现在完成进行时.但是我们同学都选D.

D.since
since 转么用于现在完成时