– Can you play with us, Tina?
-- , I have my sister. She can’t be at home alone.
A. Sure; to babysit
B. Sure; babysit
C. Sorry; to babysit
D. sorry; babysit
网友回答
A. Sure; to babysit
B. Sure; babysit
(答案→)C. Sorry; to babysit
D. sorry; babysit
解析：sure当然了;sorry抱歉;句意:蒂娜,你能和我们一起玩吗?联系下文,她不可能独自在家.可知前文句意为;抱歉,我不得不照顾我的妹妹.短语have to不得不,必须.故选C.