We ________ feed the animals in the zoo.
don't have to
needn't
mustn't
Sam __________ phone his mum every evening when I was on the school trip,
had to
have to
has to
I can't go out now. I ________ study for the test.
have to
must
had to
I've run out of milk. I ________ forget to buy some tomorrow.
don't have to
must
mustn't
You ___________ throw rubbish in the river.
mustn't
don't have to
needn't
"must" suggests that ____________________________.
the speaker feels the obligation to do something.
obligation comes from someone else.
Children _____________ eat more fruit and vegetables to stay healthy,
must
have to
should
You ___________ eat the pizza in the fridge. It's for your dad.
don't have to
needn't
mustn't
Dee Noi and Dee Lek __________ do the dishes. I've already done for them.
mustn't
don't have to
doesn't have to
Liz and Tony _____________paint their new apartment before they move in.
has to
have to
must
I ______ work extra hour next week.
have to
will have to
have had to
have to or has to suggest that _________________________.
obligation comes from someone else.
the speaker feels that the obligation to do something.
We ________ exercise three times a week.
shouldn't
should to
should
I _______ cook today. We're eating out.
don't have to
shouldn't
don't must
Our PE teacher said we __________ shower before we went into the pool.
will have to
had to
have to
He _______ smoke. It's bad for his health.
don't have to
doesn't have to
shouldn't
My son _______ get up early yesterday.
had to
will has to
has to
Students ____________ to eat in class.
are not allowed
mustn't
can't