已知a=tan1,b=tan2,c=tan3,则( )
A:a<b<c
B:c<b<a
C:b<c<a
D:b<a<c
下列说法不正确的是( )
Though he started late, Mr.Guo played the piano as well as, if________, Miss Liu.
待 等待 贝贝静静地等待着。
动 ____ ____
持 ____ ____
勇 ____ ____