About ____ of the students in the school were born in the____.()
A. two-thirds; 1990
B. two-thirds; 1990s
C. two-third; 1990
D. two-third; 1990s
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We all think that the ( ) century will encounter many challenges.
A. twenty-first
B. twentieth-first
C. twenty-one
D. twentieth-one
( )trees have been planted along the river, so the river never overflows.
A. Two hundreds
B. Hundred of
C. Hundreds of
D. Hundreds
There will be many IE technologies used ____people’s daily life _____ 20 years.
A. in; /
B. in; in
C. at; /
D. in; after
I paid 100 yuan ( ) the beef, and I only got a little.
A. for
B. on
C. in
D. to
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