木质烤漆:There is a lot of things. Is this sentence right? Why" is"?

There is a lot of --a-- --r in the sea. 大家帮忙翻译一下“Is there a lot of traffic?” There is a lot of w_________ in the lake . 介词填空：There is a lot of traffic ( )the street There is a lot of things. Is this sentence right? Why" is"? There is a lot of __ a __ __ r in the sea We ___ a lot of ___ there There is a lot of air loose snow and this helps to keep the cold out. There is ___water left in our classroom.A.any B.little C.a few D.a lot of 用英语解释句子3.There is always a lot of traffic in Shenzhen day and night.