I don’t know if he tomorrow.But if he , I’ll tell you.

MaybeifI_____ science,andnotliteraturethen,Iwouldbeabletogiveyoumore help.

John asked me _____ to visit his uncle’s farm with him. [ ]

下列各句中，没有语病的一句是（ ）

______ eyes of children, playing on the Internet can only bring them ________great fun.