Both parents and teenagers should try their best to communicate more with each other and the gap(差距) between them.[ ]

下列各句没有语病的一项是（ ）

The message you intend to convey through words maybethe exact opposite of ___________ others actually understand

Remember this, children. ________ you study, ________ knowledge you will get.—We know, Mr. Green.

Simon waited ________ his parents came back last night.