You’ve got plenty of time. You needn’t hurry.
There’s a knock at the door. I’m expecting Paul. It must be him.
I can’t get my phone to work. It must be out of order.
Can I ask you a question ?
You mustn’t forget to turn off the lights when you go to bed.
When I was a child I couldn’t understand adults, now that I’m an adult I can’t understand children.
Sally looks sad and worried . She must have a problem with something.
Can I see your passport please.
He’ sees very badly, so he must wear glasses all the time.
I didn’t need to take a taxi because the bus was on time.
Объяснение:
Nowadays we see a lot of garbage on the street, but no one picks it up. This means that it can be harmful to the environment. Of course, there are people who collect garbage, but we do not appreciate the work of these people. I want you to plant one tree at a time until it gets dirty. And thanks to us, nature begins to prosper.