When asked to explain _____ he did to make his students so fascinated with his lessons, the teacher paused and thought deeply.
A. what was it that B. that what it was
C. what it was that D. what was it
The subway was crowded with passengers going home from market, most of _____ carrying heavy bags and baskets full of fruit and vegetables they had bought there.
A. whom B. them C. who D. which
—The research on the new flu virus vaccine is challenging and demanding. Who do you think can do the job?
—______ my students have a try?
A. May B. Must C. Will D. Shall
I _____ a lot from this guy. He borrowed my clothes, he borrowed my money, he borrowed my tennis racket. But when I caught him using my toothbrush that was the last straw, so I kicked him out!
A. sped up with B. mixed up with
C. put up with D. teamed up with
The adoption of orphans and physically challenged children has been a subject of public debate _____ a fire in an unregistered orphanage last month.
A. according to B. in case of C. ever since D. such as
When a person lives too many hours a day in the digital universe, that is when he or she _____ something.
A. has missed B. will miss C. is missing D. misses
