Past Simple vs Past Continuous
Present Perfect
u6
Vocabulary 1
Vocabulary 2
100
She ________(surf) when the shark _______ (attack) her
was surfing, attacked
100
since/for I've been on a diet _______ five weeks.
for
100

Scientists are always excited when they find new   ____ .  

a species  

b classified  

c extinction  

species 

100

Extremely funny

Laugh Out Loud
100

Making a copy of something

Cloning

200
Correct a mistake. She was seeing the shark while she was surfing.
saw
200
I don't know that man. (never, meet)
I have never met that man.
200

Some animals spend their entire lives in ____ .  

a generation 

b amber

c captivity  

captivity

200

Keeps you excited and interested

Edge of your seat

200

One way to calm down and relax

Meditation

300
Susan ___________(arrive) while I _______(have) dinner.
arrived, was having
300
since/for I have had a terrible cold ______ Friday.
since
300

Do you think humans should try to ______dinosaurs?  

a adapt  

b evolve  

c resurrect

 resurrect

300

Makes you feel happy and sympathetic towards the characters

Heartwarming

300

Able to heal by itself

Self healing

400
Correct a mistake I was talking to Stephen while the phone rang
when
400
already, just, yet Have you found your glasses ____?
yet
400

Paleontologists study ____to learn about prehistoric animals.  

a habitats 

b species 

c fossils

fossils

400

Have received awards

Award winning

400

A fake arm or leg

Artificial limbs

500
Correct a mistake I was reading a book when my brother was getting back.
got back
500
already, just, yet He has ________ passed his exam.
already
500

Overfishing has led to a ____in the population of some types of fish.  

a decrease  

b concern  

c conservation

decrease 

500

Makes you think about issues and problems

Thought provoking

500

The fake material for fake limbs

Synthetic