Known _______ one of the four greatest ancient civilizations in the world, China is attractive _______ many foreigners

was wondering if we could go skiing at the weekend. —— ______________ good.

am really worried about his grades in the coming test because of the little use he _____ of his spare time before it.

Wait till you are more ________. It’s better to be sure than sorry.[ ]

________ exciting sport it is to go bike riding!