问题:
she is not so cheerful she used to be?
A.How is it that; as
B.Why is it that; what
C.Is it why; that
D.How it is what; as
she is not so cheerful she used to be?
A.How is it that; as | B.Why is it that; what | C.Is it why; that | D.How it is what; as |
参考答案: