Exercise 1 — Spark 4 - Workbook

Fill in the gaps with the words/phrases below. Then match the sentences to the responses.

• may
• must
• had to
• mustn't
• should
• don't have to

1. Don't worry, I won't.
2. Sure, what is it?
3. I keep telling him so.
4. OK, I'll do it later.
5. That's too bad!
6. It's better this way.