The teacher frowned ___ annoyance when a student fell asleep during his lesson.
A. at B. to C. with D. for
Hearing the sound, the animal disappeared into the bushes, ___ Mrs. Stone picked up her bag and ran all the way home.
A. after that B. after what C. after which D. after when
Sorry to have kept you waiting. You must have thought ___.
A. we are not coming B. we were not coming
C. we did not come D. we were not come
____, I had to buy a new one.
A. My dictionary losing B. My dictionary having been lost
C. Because my dictionary lost D. My dictionary had been lost
I have been studying computer for years and I still ___.
A. have B. do C. have been D. am
The flower is dead. I ___ it more water.
A. will give B. ought to give
C. could have given D. ought to have given
