单项选择题

To do well in sports, ______.

A．a training course must be followed
B．you must follow a training course
C．there is a training course to follow
D．a schedule for training must be followed

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热门试题

单项选择题

Shining down out of the blue sky, ______.

A．their pale skins were burnt by the sun
B．they were burnt by the fierce sun
C．the sun burnt their tender skins
D．the sun burning their pale skins

单项选择题

Which department is supposed to ______ rules about retirement

A．lie down
B．lay down
C．lay on
D．lie on