单项选择题

Listen! His family must be quarrelling, ______

A. mustn't it

B. isn't it
C. aren't they

D. needn't they

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热门试题

单项选择题Syntax is the study of______.

A. language functions

B. sentence structures
C. textual organization

D. word formation

单项选择题One day Chuck is on a flight () the Pacific Ocean suddenly () his plane crashed.

A. through while
B. through when
C. across when
D. across while

单项选择题That she hadn't kept her () on her work resulted in the failure.

A. head
B. heart
C. brain
D. mind

单项选择题—What did Maria say — ().

A. Maria said that she likes their uniforms.
B. Maria said that she doesn't like their uniforms.
C. Maria said that she didn't like their uniforms.
D. Maria said that she was like their uniforms.

单项选择题If Newton lived today, he would be surprise by what () in science and technology.

A. had discovered
B. had been discovered
C. has discovered
D. has been discovered