You are sure to fail the exam__________you study hard.
A.if B. unless C. since D.that
There ______a number of books in our school library. The number of books________getting larger than last year.
A.is, is B.is, are
C.are, are D.are, is
The play _______ one and a half hours yesterday.
A. lasted B. lasted for
C. is lasting D. lasts
My father encouraged me _______ more cities in China.
A. visiting B. to visit
C. to visiting D. visit
Tiger Watch won ______ award ______ its amazing photography.
A. a, of B. an, for
C. the, about D. /, from
After you watch this ______ documentary, you will realize how much danger these tigers______.
A. one-hour, in B. one hour, are
C. one hour , have D. one-hour, face
