1- ……… the problem was too difficult, we couldn't do it easily.
1) Whether 2) Since 3) As 4) When
2- She claimed to be 18, ……… I know she's only 16.
1) because 2) whether 3) as 4) when
3- Heart cannot lift weights to get stronger, it ........ on us to do aerobic exercise.
1) relies 2) stretches 3) protects 4) supports
4- When blood moves more easily in our blood vessels, it means that our body works more ……….
1) probably 2) efficiently 3) actually 4) deeply
5- Every time you eat food, your body does the same thing; it uses the ……… in it as fuel.
1) chemicals 2) calories 3) nutrients 4) cells
6- I feel sleepy ……… I attend in the afternoon classes.
1) when 2) since 3) while 4) whether
7- ………. I felt really tired, I stayed at home and had a rest.
1) Whether 2) When 3) Because of 4) As
8- I still feel tired ……… I wake up in the morning.
1) when 2) whether 3) while 4) because of
9- It is said that clean air, exercise and a good diet help to improve people's ……..
1) fit 2) healthy 3) in shape 4) health
10- I felt really tired ……… I stayed at home and had a rest.
1) since 2) when 3) as 4) whether
11- I saw an accident ……… I was walking home.
1) when 2) because 3) since 4) as
12- ………. People get older, they get less flexible.
1) Whether 2) As 3) When 4) Since
13- We have reduced the size of our book since we don't want to ....... the price.
1) decrease 2) increase 3) produce 4) release
14- Too much pressure produced by the blood against inner walls of the blood ……… in called high blood pressure.
1) joints 2) vessels 3) nutrients 4) muscles
15- Parents are ……… that their children are doing well at school.
1) injured 2) proud 3) efficient 4) lonely
16- Do you ever watch TV ……… you are having dinner or lunch?
1) while 2) since 3) if 4) whether
16- When we exercise, our body can release endorphins. "Release" means: ……… free.
1) raise 2) keep 3) set 4) let
17- Factory workers who do ……… jobs are said they were bored and wanted to change their positions.
1) flexible 2) lonely 3) repetitive 4) healthy
18- Strong muscles also help protect you from ……. When you exercise.
1) joint 2) stretch 3)injuries 4) relies
19- When you are ………, you can be more active.
1) excellent 2) flexible 3) important 4) happy
20-…… he wasn't sure ....... he had locked the door or not, he went back to check.
1) As- when 2) As- whether 3) When- when 4) While- whether
21- Physical exercise can ……… you against heart diseases.
1) develop 2) create 3) protect 4) improve
22- ……… I love swimming, I want to go to the swimming pool.
1) As 2) Whereas 3) Whether 4) While
23- We all need variety in our meals. In other words, we require ……. nutrients.
1) specific 2) complex 3) different 4) normal
24- I was driving home ……… I had an accident.
1) when 2) as 3) if 4) since
25- He got divorced , ……… his parents had done years before.
1) because 2) when 3) as 4) whether