—I often see him working hard in his spare time.
—________he has won the scholarship from time to time.
A. No wonder B. No doubt C. No way D. No problem
Years ago we didn't know this, but recent science study ________that people who don't sleep well soon get ill.
A. showed B. will show C. has shown D. is showing
Is it only on the world market ________we can prove the competitiveness and quality of our goods?
A. where B. which C. that D. how
—We need a person badly to be in charge of this design.
—________ the new comer have a try?
A. May B. Will C. Shall D. Need
I wonder why Jack always gets good marks when he does only ________ the others.
A. half as much as B. as much as half
C. half as many as D. as many as half
Not only ________ give people relaxation and pleasure, but ________ increase their knowledge of any kind.
A. can travel; it can B. travel can; can it
C. can travel; can it D. travel can; it can