-- Is it your brother playing football o
题型:选择题
问题:
-- Is it your brother playing football outside?
-- It ________ be him. He is helping mother with dishes now.
A.must
B.can’t
C.mustn’t
D.can
-- Is it your brother playing football outside?
-- It ________ be him. He is helping mother with dishes now.
A.must
B.can’t
C.mustn’t
D.can