3. O.Neal works hard. He is often seen _______ heavily before his teammates have even arrived at practice.( )(本题5.0分) A、 sweated B、 to be sweated C、 sweating D、 being sweated
参考答案:
94. It is not always __________for buses to run on
94. It is not always __________for buses to run on Sundays(本题1.0分) A、 economical