His hard work_______when he got the result .
A. paid for B. paid back C. paid off D. paid up
_____the film so many times , I don’t need to see or hear it___what is happening now on the screen .
A. Seeing ; knowing B. Having seen ; to know
C. To have seen , to know D. To see , to know
The students are forbidden , unless their special passes ,___________after 11 p.m .
A. stayed out B. to stay out C. staying out D. stay out
Today , we’ll discuss a number of cases______beginners of English fail to use the language properly .
A. which B. as C. why D. where
People who can’t ___________ between colors are said to be colorblind .
A. separate B. differ C. distinguish D. divide
. It was the fact _______his father was ill in hospital_________ worried him and kept him awake for a whole night .
A. which ; that B. which ; which C. that ; which D. that ; that
