1) I looked up some information about the average American family. I found out that (it consists) of 2-3 children.
2) The soccer team felt unhappy because _they_ had lost in the closing moments of the game.
3) A basketball team is relatively small. _It__(doesn't) have as many members as a basketball team.
4) The audience clapped enthusiastically . Obviously _they__ had enjoyed the concert.
5) The audience filled the room to overflowing . _It__ (was) larger than I had expected .
6) The crowd became more and more excited as the premier's motorcade approached . _They_ began to shout and wave flags in the air.
7) The crowd at the soccer game was huge. _It__ exceeded 100,000 people.
8) The office staff gave _their_ boss a gold watch when she retired.
9) The office staff isn't large. _It_ (consists) of a secretary,a file clerk and a receptionist .
10) The young couple finally saved enough money to make a downpayment on __their_ own house.
11) The class is planning a party for the last day of school. _They__(are) going to bring many different kinds of food and invite some of __their__ friends to celebrate with _them__.
12) The class is too small. __It__(is) going to be cancelled.