which is bigger,the moon or the earth?为什么bigger前不加the?

Which is bigger,the sun or the earth? which is bigger the sun or the eath标题是什么意思? Which animals is _________ （bigger/ the bigger),the cat or the dog? Which is ( ),the moon or the earth,Tom?A.big B.bigger C.the bigger which is bigger,the moon or the earth?为什么bigger前不加the? Which is bigger ,Changjiang or the Yellow River?(中文) Which city is( ) in china ,beijing or shanghai A bigger B the bigger 应该选哪个,为什么?Which city is( ) in china ,beijing or shanghai A bigger B the bigger 应该选哪个,为什么? 英语形容词选择题There are two tables in the room,______ is used as a dining table.A：the bigger of thatB：the bigger of which C：bigger of that D：bigger of which Which is bigger in the world,the sea or the land?用英语回答! Which is bigger,the tiger or the cat?翻译成中文 急 which is ( ),the sun or the moon?A.big B.bigger C.biger D.more big Which is bigger,the Earth or the second planet 翻译成中文 which library is bigger,the new one or the old one? which is bigger,the earth or the moon?(回答这个问题） which is bigger,the sun or the earth?为什么用or而不用and? Which land is the bigger in the world?A.Hainan B.greednland. which is bigger,beijing or shanghai Which is bigger,elephant or mouse?