When I think of the worried _______ of foreign students who are learning Chinese, I can go to study English calmly.( )
A.looksB.designsC.effortsD.needs
()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.