Shared bikes,which are environmentally friendly,______ quite popular among big cities in China since last April.( )
A.becameB.have become
C.will become
Ann is my best friend. She can play piano very well.( )
/
a
the
找出画线部分与其他单词发音不同的选项.( )
whole
white
whose
dear
near
early
rice
camp
pencil
cute
bus
duck