modal auxiliary

There is plenty of food on the table. Everybody................take it as much as possible.

• may

• must

They ................get to the class on time yesterday, because of heavy rain.

• can't

• coulndn't

• must

The yard has beautiful green grass. The visitors............... stop their steps to step on it.

• must

• has to

• need

They ................ have seen the movie last week, but they were too busy.

• couldn't

• must

• can

There are enough chairs in the room. Everyone ................ sit down comfortably.

• must

• can

..................... I have a glass of water please? I am so exhausted

• should

• need

• may

I am on my way I have to be there in about 10 minutes

• have to

• can

• could

jensen................... apologize to the teacher for his rude behaviour.

• ought to

• shoulndn't

• mustn't

They ................ have arrived earlier if they hadn't missed the bus.

• must

• should

• could

..................... I borrow your pen for a moment? I need to write something down.

• should

• can

• may