They decided to drive the cow away ______ it did more damage.
A. unless B. until C. before D. although
No matter how frequently _______, the boy was always in low spirits.
A. encouraged B. encouraging
C. to be encouraged D. was encouraged
I don’t mind her criticizing me, but ______ is how she does it that annoys me.
A. it B. that C. this D. which
—Why didn’t you come to Mike’s birthday party yesterday?
—Well, I _____, but I forgot it.
A. should B. must C. should have D. must have
As usual, he put on a show as though his trip _____ a great success.
A. had been B. has been C. were D. was
The road conditions there turned out to be very good, ______ was more than we could expect.
A. it B. what C. which D. that
