. The doctor was so kind that he devoted all his spare time he had _______the poor boy.
A. to helping B. helped C. helping D to help
Tom said he did not mind what time I arrived at his place____I promised to go and help him.
A.on condition that B. so far C.as well as D. as good as
Yao Juan is the only one of the students who_________to be praised.
A. are B. have been C.is D. has been
The experts advise______our army_________modern weapons.
A. to equip; with B. equipping; with C. to equip;for D. equipping; for
This year they have produced_________ they produced the year before last.
A. twice many cars as B.twice as many cars as
C. twice more than cars D.twice the cars of
People in the west make_______a rule to buy Christmas presents for their friends.
A. that B . it C. this D. as
