题干

_______the thick clouds, you would find the kite in the sky easily.
A.Had it not been for
B.If it were not
C.If it had not been for
D.Were it not for
上一题 下一题 0.85难度 单项选择 更新时间:2010-06-05 05:25:49

答案(点此获取答案解析)