问题

He was told that it would be at least three more months _____ he could recover and return to work
A:when
B:before
C:since
D:that
B:before
C:since
D:that
正确答案是:
同类题型
If there is any change to the plan, I ______ you as soon as possible.
___ in London, the penniless American wandered on the pavement, ___ to find a job to make a living.
Did you pass the driving test? —- No. I ______ it, but I had little time practicing.
As students, ____ we have made full use of our time to study, there’s still room for improvement.