6.Order the words to make sentences.
a/ pens / there / lot / are/ of
There are a lot of pens.
1 posters / some / there / are
2 big/book/ a / there's
3 students / are/a / of/ lot / there
4 teacher / a / there's
5 are/there / tables / some
6 of/ are/there / lot/bags/ a