Exercises at page 32:

Ex 1

1D

2E

3C

4A

5B

 

Ex 2

1.It was flying to the moon.

2.Because there was an explosion:one of the fuel tanks was empty and one another was close to zero.

3.All the most experienced astronauts, including Neil Armstrong and Buzz Aldrin, and the NASA engineers helped the astronauts solve the problem.

4.They spent about six days in space.

 

Ex 3

1B

2A

3B

4C

5A

6C

 

Ex 4

1.hatch

2.came up with

3.figure out

4.carrying out

5.breath a sigh of relief

6.running out

7.cheer

8.on duty

 

Ex 5

1.it was seven more years before NASA figured out

2.time was running out

3.three astronauts were on duty at the historic mission on board Apollo 11

4.Neil Armstrong opened the hatch and became the first man to walk on the moon

5.the engineers were working at mission control

6.they breathed a sigh of relief when they saw Armstrong step onto the moon

7.people were watching on TV and they shout happily 

8.Armstrong figured out his famous words after landing on the moon

 

Ex 6

I agree with all the opinions, but I think that the first one is the most reasonable.

 

Ex 7

1.find a solution

2.fix a problem

3.raise your hand

4.go home

5.follow events

6.get crazy

 

Exercises at page 38:

Ex 1

1.Can you help me? I don't know how to fix a problem with my computer.

2.The instructions say I must click on an icon, but I can't see it.

3.I get online every day to read the news and answer emails.

4.I usually go home very late, so I'm often tired. 

5.He visites a website about cars once a week to check the prizes.

6.Open the text document and complete it.

 

Ex 2

1.development

2.network 

3.date

4.discovery

5.imagination

6.searcher

 

Ex 3

1.The first moon landing was in 1989.

2.My brother still studied at university ten years ago.

3.Mabel found some keys on the pavement yesterday.

4.I had my first driving lesson last week.

5.I was talking on my mobile phone when my mum asked me a question.

6.What did you do this time last year?

 

Ex 4

1.Did he use to live here before moving to Oxford?

2.She didn't go shopping yesterday.

3.I didn't use to like spicy food. Now I love it.

4.We did a lot of exercises last weekend.

5.Did you use to ride a bike to school?

6.Did she buy a laptop last year?

 

Ex 5

1B was studying

2C find

3B That sounds frightening!

4B fortunately

5A didn't send

 

Ex 6

1B hang

2A on

3C carry

4A follow

5C out

6A get