1. Complete the conversation. Use the words in the box. AM – HE IS – IS – ME – YOUR – ARE – I’M – IT IS – YOU – YOU ARE Sarah: Excuse me, are YOU Michael Linch? Robert: No, I’m not ………………… over there. Sarah: Oh, I´M sorry. Sarah: Excuse me Michael. I think this is you book. Michael: ………………… right! ………………… my math book. Thank you! By the way, ………………… you in my math class? Sarah: Yes, I ………………… my name is Sarah Smith.

The answers are: HE IS, YOU ARE, IT IS, ARE, AM.

Explanation:

The first blank is "he is" because Robert is referring to Michael and his location. The second blank is "you are" because Michael is replying that Sarah is right. The word "your" would not be correct here because "your" is a possessive term. The third blank is "it is" because he is referring to the book being his. The fourth blank is "are" because he is asking if Sarah is in his class. The last blank is "am" because Sarah is stating that she is a student in the same math class.

2. list two reasons why fossil fuels should no longer be used as a source of energy in america.

i decided to stay late in the laboratory to continue my experiment with the lightbulb. at midnight, thomas edison opened the door and saw all the stuff he was working on. the lightbulb, film and the transmitter. as he walks in an idea hits him on how the lightbulb would work. he would have to change a few wires around to get it to light up. when he did change the wires around it worked so he decided to write a telegraph to his friend to tell him about his success.   as he was packing up he grabbed the telegraph and walked to his home. he told his wife about the success and the next morning mailed the telegraph.