Page 32-38 all the exercises

Ex. 1

1. D
2. E
3. C
4. A
5. B

Ex. 2

1. Apollo 13 was flying to the Moon.
2. They didn’t get there because they had some problems abroad.
3. NASA’s engineers and experienced astronauts did.
4. The astronauts spent in space 4 days.

Ex. 3

1. Reg Turnill found out there was a problem with Apollo 13 when he was entering mission control.
2. The workers at mission control were mot expecting any problems.
3. The spacecraft lost most of its fuel because of the explosion.
4. NASA engineers immediately formed a big team to fix the problem.
5. The main problem on board was very little oxygen and water.
6. A scientific report.

Ex. 4

1. Small door-hatch
2. Thought of/ produced-came up
3. Understand-figure out.
4. Working-on duty
5. Not be worried anymore-breathe a sigh of relief
6. Getting less and less-running out.
7. Shout happily-cheer
8. Doing-taking part in-carrying out.

Ex 5

1. Figured out
2. Running out
3. Carried out
4. Hatch
5. On duty
6. Breathe a sigh of relief
7. Cheered
8. Came up

Ex. 6

-I do not agree: in space we can find new materials, new hopes of living when earth will be destroyed and colonizing another planet could possibly be the solution of many problems we have here.

-I totally agree with that- it’s true! It’s sure that by 2050 Earth’s population will be over 10 billions people –much more than it can contain.

-Totally true.

Ex. 7

1. Fix a problem
2. Follow events
3. Get home
4. Go crazy
5. Raise your hand

Page 38

Ex. 1

1. Can you help me? I don’t know how to solve a problem with my computer.
2. The instructions say I must click on an icon, but I can’t see it
3. I go online everyday to read the news and answer emails.
4. I usually get home very late, so often I’m tired.
5. He visits a website about cars once a week to check the prices.
6. Open the text computer and complete it.

Ex. 2

1. The development of advanced computers has taken very little time
2. To contact Tom, i usually use a social network site.
3. This information is from 2012. Why don’t they update their website?
4. After years of work, the scientists made an important discover.
5. Use your imagination and you will write something creative.
6. He works as a scientist in a laboratory.

Ex. 3

1. The first landing on the Moon was on the 1969.
2. Ten years ago my brother was still studying at the University.
3. Mabel found some keys on the pavement yesterday.
4. I had my first driving lesson last week.
5. I was talking on the phone when my mum asked me a question.
6. What were you doing this time last year?

Ex. 4

1. Live
2. Go
3. Didn’t use to like
4. We did
5. Use
6. Buy

Ex. 5

1. Was studying
2. Find
3. That sound frightening!
4. Fortunately
5. Haven’t sent

Ex. 6

1. Put-hang
2. Off-on
3. Carry-do
4. Follow-follow
5. Out-out
6. Get-get