Your niece is very strict and ______ worth teaching, but your nephew is not. Look, he is now ______ asleep in class.
A. well; fast B. much; very C. very; fast D. well; very
Our school has used computers in teaching for ten years. As a result, not only______, but students become more interested in their lessons.
A. has teachers’ energy been saved B. saved was teachers’ energy
C. teachers’ energy has saved D. was saved teachers’ energy
I arrived home at midnight, _______ my parents had been waiting for nearly three hours.
A. at that time B. by that time C. at which time D. by which time
--- It’s wrong of a student to follow ______ his teacher says.
--- It’s true. I can’t agree ______.
A. no matter what ; too much B. whatever ;much
C. no matter what; more D. whatever; more
The teacher set such a difficult problem ________none of us could solve.
A. that B. so that C. which D. as
If we want ______much cleaner world, we should reduce _______ emission of carbon dioxide.
A. a; a B. a; / C. a; the D. the; /