打错了吧,是there吧.
考察的是there be句型,be 就是am are is
表示“有”可以用1.has/have 前面要有主语 i have an apple
2.there be be的变化“就近原则”即与后面名词单复数一致,单用is复用are
there are many books （复数）on the desk
there is a book （单数）on the desk