Fill in the right item

Don't............ him. He's trying to do his homework.
1. promise
2. disturb
3. protect
4. protest
She ............. to help me with the Maths project.
1. protected
2. protested
3. promised
4. react
Toxins can ......... cancer.
1. cause
2. bend
3. protect
4. react
We should ............. the endangered species.
1. protest
2. protect
3. exist
4. celebrate
I drank too much beer last night and now I'm having a terrible ...........
1. headache
2. experience
3. material
4. result
The words EAT, SLEEP, WRITE AND RUN are ...........
1. nouns
2. adjectives
3. verbs
4. adverbs
He studied hard ............... become a doctor.
1. to get rid of
2. in order to
3. instead of
4. for to
It is rude to ............ people.
1. watch at
2. see at
3. quit at
4. stare at
He .............. his knee while he was digging in the garden.
1. hurt
2. quit
3. proved
4. promised
Smoke was coming out of the factory ...........
1. division
2. chimney
3. electricity
4. acid