题目内容

He was often heard ( ) in the next room.

A. sing
B. sung
C. to sing
D. singing

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The students work hard ( ) enter a good university.

A. in order to
B. so as not to
C. in order that
D. so as that

The problem ( ) next week is very serious.

A. being discussed
B. discussed
C. to be discussed
D. will be discussed

The students felt ( ) when they heard the wonderful news.

A. exciting
B. to excite
C. to be excited
D. excited

Nowadays a lot of young people like to have their hair ( ).

A. color
B. colored
C. coloring
D. colors