【正文】
(他能參加聚會嗎? ) No, __________. He has ____ help his parents. ______________________________ (她能去參加棒球比賽嗎? ) No, __________________________ ________________.(她沒有空,她必須要去看醫(yī)生。 ) _____________________________ (他們能去看電影嗎? ) No, they are not free. ____________ ________________________. (他們也許必須要去見他們的朋友。 ) Can you e to my party on Saturda