We ______ Xiao Li since she was a little girl.
A:know
B:had known
C:have known
D:knew
王大爷种了28棵杨树,柳树的棵数是杨树的3倍,柳树比杨树多多少棵?
下列适合茶树生长的土壤是( )
What do you like? I like balls.