It is illegal for a public official to ask people for gifts or money _________ favors to them.
A. in preference to B. in place of
C. in agreement with D. in exchange for
They got two free tickets to Canada; otherwise, they’d never have been able to ______ to go there.
A. admit B. avoid
C. appreciate D. afford
Plants and trees need water to grow; ______, friendship needs our heart and passion to develop.
A. similarly B. generally
C. naturally D. fortunately
This is the third time I ______ Beijing. The second time I ______ here was on National Day last year.
A. have visited; came B. have visited; have come
C. visited; came D. visited; have come
The date for the conference we had been looking forward ______ at last.
A. to come B. to coming
C. to came D. to will come
Americans eat ______ vegetables per person today as they did in 1990.
A. more than twice B. as twice as many
C. twice as many as D. more than twice as many
