American English has changed ________ time．There are several reasons ________ this.
A．over; for B．for; with C．in; of D．during; about
---What do you think of my article, professor?
---The former part is well written but _____ is just so so.
A. the later B. the last part C. latest D. the latter
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
To their surprise, they found the lecture given by the famous professor easy ______.
A. to be understood B. to understand C. understanding D. understood
It was the first time ________ I ________ face to face with a thunder storm.
A. when / had come B. that / have come C. when / came D. that / had come
Hurry up! The train______. You know it______ at 8:30 am.
A. leaves; leaves B. is leaving; leaves C. leaves; is leaving D. is leaving; is leaving
