It was only when I read this story for a second time________to appreciate its beauty.
A. did I begin B. that I began C.then I began D.had I begun
. 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
