Cindy shut the door heavily and burst in
题型:选择题
问题:
Cindy shut the door heavily and burst into tears. No one in the office knew _____ she was so angry.
A.where
B.whether
C.that
D.why
Cindy shut the door heavily and burst into tears. No one in the office knew _____ she was so angry.
A.where
B.whether
C.that
D.why