-Look, your sister is playing the piano
题型:选择题
问题:
-Look, your sister is playing the piano over there.
-She ______ be my sister. She has gone to America.
A.mustn’t
B.can’t
C.shouldn’t
D.may not
-Look, your sister is playing the piano over there.
-She ______ be my sister. She has gone to America.
A.mustn’t
B.can’t
C.shouldn’t
D.may not