there is a book on zhe desk .
there is some water in the bottle.
there is+名词单数或不可数名词+地方.
there are lots of books in the bag.
there are +名词复数+地点.
there is a book on zhe desk .
there is some water in the bottle.
there is+名词单数或不可数名词+地方.
there are lots of books in the bag.
there are +名词复数+地点.