Exercise 6.8. Insert necessary modal verbs:
1. I ... not go to the theatre with them last night, I ... revise the grammar rules and the words for
the test. 2. My friend lives a long way from his office and ... get up early. 3. All of us ... be in time for classes. 4. When my friend has his English, he ... stay at the office after work. He (not) ... stay at the office on Tuesday, Thursday and Saturday and ... get home early. 5. ... you ... work hard to do well in your English? 6. «... we discuss this question now?» «No, we ... We ... do it tomorrow afternoon.» 7. I'm glad you ... come. 8. «... you ... come and have dinner with us tomorrow? » «I'd love to. » 9. «Please send them this article.» «Oh, ... I do it now?»