赞题库-背景图
单项选择题

When Jane fell off the bike, the other children ______.

A．were not able to help laughter
B．could not help but laughing
C．could not help laughing
D．could not help to laugh
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热门试题

单项选择题—I slipped on the stairs. I think my arm is broken.—Oh! I ______.

A．don"t hope
B．hope not so
C．do not hope
D．hope not

单项选择题______ man is ______ reasoning animal.

A．The;a
B．/;/
C．/;a
D．The;the