In order to make our city more beautiful,we have planted _______ trees these years in Yiyang.( )
A.three thousandsB.thousand of
C.thousands of
()I think _______ necessary for you _______ breakfast.
The workers were made _____ the whole day.
He often plans_________ a very relaxing vacation. A. having B. have C. to have
His father advised me _____ it again.
It is very important for us_____ English well.