Use the correct form of the word given in each sentence

Use the correct form of the word given in each sentence.
Don’t throw old things __________. Try to find another use for them.(preposition)
You should turn the tap __________ when you brush your teeth.
You shouldn’t wrap the food __________ a plastic bag.
Give your old clothes __________ charity.(preposition)
You should swap your clothes __________ your friends or cousins.(preposition)
If the weather is / will be fine, the children walk / will walk to school.
I lend / will lend you my laptop if you promise / will promise to be careful with it.
If they don’t do / won’t do their homework, their teacher punish / will punish them.
Jane gets / will get lost if she doesn’t have / won’t have the town map.
If I see / will see Ken later today, I tell / will tell him to call you.
My mother buys / will buy me a present if I pass / will pass my exams.
If there is / will be no water, all living things die / will die.
You aren’t / won’t be able to sleep if you watch / will watch horror movies.
I ____________ (study) here for more than three years.
ai làm đc cho 5 sao!