Complete the sentences using “could, must, was to, had to, might, shouldn’t, will be able to, needn’t, ought to”.

Ted isn’t at work today, he … be ill. 2. My grandfather was a very clever man. He … speak five languages. 3. You look tired. You … work so hard. 4. It was raining hard and we … wait until it stopped. 5. You … help me, I can do it by myself. 6. As they had agreed before, Tom … wait for his girlfriend at the entrance. 7. Children … take care of their parents. 8. I hope he … speak English well next year. 9. Where are you going for your holidays? – I haven’t decided yet. I … go to London.​