8 mayo 2019
Elige la opción correcta entre 'must' y 'have to'.
1 You touch poisonous things.
You mustn't touch poisonous things.
2 Today is Friday and we go to bed early.
Today is Friday and we don't have to go to bed early.
3 travel for work?
Does she have to travel for work?
4 He take the exam. It's optional.
He doesn't have to take the exam. It's optional.
5 You pass a test to drive a car.
You must pass a test to drive a car.
6 be open on Sunday?
Mustn't shops (Do shops have to) be open on Sunday?
7 We be late.
We mustn't be late.
8 She reduce her expenses. She's facing high costs.
She has to reduce her expenses. She's facing high costs.
9 Everyone in the office wear a uniform.
Everyone in the office must wear a uniform.
10 be there one hour before the concert starts?
Do we have to be there one hour before the concert starts?
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