【单选题】In China, as we all know, brides are often dressed in red as it is a________of good fortune.
【单选题】As we all know, China is a developing country _______ to the third world.
【单选题】China is a country with the largest population in the world, we all know it.
【单选题】(As) we all know Taiwan is (to) the east of Hongkong and (on) the (southeast) of China.