It is very kind ( ) you to let us use your running machine.Actually, it is good ( ) us to do some physical exercise every day. A、of/ ofB、of/ forC、for/ ofD、for/ for
It is very kind ( ) you to let us use your running machine.Actually, it is good ( ) us to do some physical exercise every day.
A、of/ of
B、of/ for
C、for/ of
D、for/ for
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