Modals

It's possible that she is in a meeting.She____________ be in a meeting.

You __________ take some medicine if you feel ill.

A: Did you resit your exam?

B: No,I ________ . I passed the first time.

A: The charity is doing great work.

B: Yes,we _________ join it.

A: _________ we start our own environmental group?

B: Sure! That's a great idea!

We ___________ take care of the planet for future generations.