Wait a minute, I _____ to go to the toilet
need
should
I'm going to the supermarket, I _____ to buy some groceries
must
need
You _____ wear your seatbelt
should
must
We must write "to" after _____
should
need
We _____ to talk
need
should
You _______ obey the law
must
need
You _____ eat your vegetables, it's good for your heath!
should
must
The test is this Monday, I'm studying, you _____ study as well
must
should
My mother is mad, she said I ______ finish my dinner if I want to have some dessert
need
must