John ________ play the guitar, but he wants to join the guitar club.
A:can
B:can't
C:does
D:don't
下列各组①②句中划线字意思相同的一组是( )
This is Lily. She's a girl.
若f(x)是偶函数,它在0,+∞)上是减函数,且f(lgx)>f(1),则x的取值范围是( )