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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单项选择题
I'll go with you after I get through with ______ the house.
A．cleaning
B．to be cleaned
C．to cleaning
D．having cleaned
单项选择题
The manager signed the contract in the ______ of all the staff.
A．appearance
B．presence
C．view
D．attend
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