My car()
A.needs towash
B.needs wash
C.needs washing
D.needs being washed
参考答案:C
尼龙-66盐 ( )
A.19
B.20
C.15
D.10
证券回购实际上是一种( )行为。
A.商业贷款
B.短期质押融资
C.证券交易
D.信用贷款