The volunteers really provided the players support.—Exactly._______ they helped make the event!

下列各句中标点符号使用有误的一项是（ ）

—She couldn’t have done that sort of thing—Whatever she did was reasonable,_____ to what you didBesides,it’s none of your businessGet down to_____ your lessons[ ]

Can you tell me how to learn Chinese well? —Sure. The best way _____ Chinese is often using it more.

The great millionaire gave away all his fortune to the charity and lived a simple life, _____.