He didn't answer the phone immediately as he was________ on a difficult math problem.
A.busy to work B.busy with work C.busy working D.busying
—How many films have you ever seen this month? —________
— What's on at the cinema tonight? — ________
A.Nothing, None B.Nothing, Nothing C.None, None D.None, Nothing
________important English paper!
A.What B.How C.What an D.How an
House prices keep________ these years. The government is expected to do something to control them
A.raising B.rising C.to raise D.to rise
Children all prefer________ cartoons to ________ dull books.
A.watching…reading B.watching… read C.to watch…reading D.to watch. ..read
——What do you think of the book?
——Oh, excellent. It is worth _________a second time.
A.reading B.to be read
C.to read D.being read
