-I don’t know -Because he has to look a
问题:
-I don’t know
-Because he has to look after his mother.
A.Why he is leaving
B.why is he leaving
C.whether he will leave
D.what is he leaving for
-I don’t know
-Because he has to look after his mother.
A.Why he is leaving
B.why is he leaving
C.whether he will leave
D.what is he leaving for