Conplete the sentences using there is/there isn't/thete are/there are/there aren't/Is there/are there.1)_____a lot of children in the park.2)______any apples on the table? 3)Is there a rubber in your hand?No____,it is a ruler. 4)____a poster oj the blackboard?5)Are there any people in the house?No_____.6)_____a beautiful house on my street.