It become much _______ to provide enough energy for a big city with large population.
A. difficult B. more difficult
C. most difficult D. easy
We all feel very glad that our school uniforms next month.
A. make B. were made
C. are making D. will be made
—Do you know ______? — A reporter, I think.
A. what the man in blue is B. what is the man in blue
C. who is the man in blue D. where the man in blue is
— Dear, what time is the flight to Beijing on Saturday?
— Wait a minute. Let me _______ in the schedule（时刻表）.
A. look at it B. look for it
C. look after it D. look it up
Each of us has to write a _____ report every two weeks.
A. two-hundred-word B. two-hundreds-word
C. two-hundreds-words D. two-hundred-words
To protect the environment, most supermarkets in China stopped ______ free plastic bags.
A. to send B. sending
C. providing D. to provide.
