Soluzione del esercizio 22 di Performer B1, Vol. 1

Claire:

• Must / Have to: Study harder, keep up the community project, trust each other.
• Mustn't: Waste time chatting online, think badly without good reason.
• Needn't / Don't need to: Worry if not chosen for the volleyball team.

Bob:

• Must / Have to: Take driving test, improve results, get along with classmates.
• Mustn't: -
• Needn't / Don't need to: Worry if not chosen for the volleyball team.

Both (Claire and Bob):

• Must / Have to: Keep up the community project, trust each other, not overthink.
• Mustn't: -
• Needn't / Don't need to: -