A. writesB. is writingC. does to writeD. does writingTh……

单项选择题— What was he doing at this time yesterday — He （） to sing a song in English.

A. was trying
B. is tried
C. is trying
D. was tried

单项选择题I think basketball is（）I like to watch it.

A. boring
B. bored
C. exciting
D. excited

单项选择题This room is used （） a reading room.

A. as
B. for
C. by
D. in

单项选择题The math problem is so hard that （） students can work it out.

A. a few
B. a little
C. many
D. few

单项选择题More and more people have lost their jobs and become（）

A. rich
B. strong
C. fragile
D. lazy