One ought __________ for what one hasn’t done.
A. not to be punished B. to not be punished
C. to not punish D. not be punished
Luckily good things _________ here to save local wildlife.
A. are doing B. are being done
C. had been done D. will do
The earth became so violent that it was not clear_________ the shape would last or not.
A. if B. how C. whether D. why
__________ she couldn’t understand was _________ fewer and fewer students showed interest in her lessons.
A. What; why B. That; what C. What; because D. Why; that
The clever boy made a hole in the wall, ________ he could see what was going on inside the building.
A. on which B. at which C. through which D. in which
—What sort of house do you want to have? Something big?
—Well, it _______ be big—that’s not important. But it _________ have a nice garden—that’s important for me.
A. mustn’t; need B. needn’t; must
C. couldn’t; need D. shouldn’t; must
