FORM 2 GRAMMAR (MIX)

We ... protect our environment. It makes good sense

• should

• must

You ... be 18 or older to vote in US

• should

• must

You ... chew your food properly

• should

• must

You... clean our car regularly.

• should

• must

You ... smoke indoors, it is illegal.

• shouldn't

• mustn't

"You ... be so mean to your brother, he’s just trying to help you" said TOM to Harry

• shouldn't

• mustn't

You ... try to get some sleep, it is very late, and you have a lot of work to do tomorrow

• should

• must

You ... abide by the law.

• should

• must

You ... arrive on time, otherwise, we will leave without you

• should

• must

Passengers ...fasten their seat-belts.

• should

• must