Everything comes with ___price; there is no such ___thing as a fr_英语解答

Everything comes with ___price; there is no such ___thing as a free lunch in the world.
A.a;a B.THE;/ C.the; a D.a;/此题选哪个?为什么?

人气：261 ℃　时间：2020-01-29 14:27:31

解答

D
每个东西都有一个价格,用a
no such 后面不加冠词