---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
With all the books he was interested in _______, he left the library and went back to his dorm.
A.borrowed B.borrowing C.to borrow D.borrow
A series of stimulus policies and supportive measures taken by the government _____ to promote change in the economic environment in this area.
A.are expecting B.are expected C.is expecting D.is expected
---Where did you come across our Chinese teacher ?
--- It was in the supermarket ______I purchased mooncakes.
A.that B.which C.where D.when
Our society insists on regular habits, timekeeping and punctuality, and whether we like it or not, ______ we mean to make our way in society, we have to comply ( to act in accordance with a demand, rule, etc.) its demands.
A.whether B.after C.if D.until
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