Read these sentences and choose 'must' or 'mustn’t'.

1. You do your homework.

2. You bite nails.

3. You touch this.

1) Life (would be) easier if everyboody (speak) English.
2) I (would make) boxing illegal if I (be) President.
3) If my headache (does not get) better soon, I (will take) an aspirin.
4) It's a pity our team hasn't got any money - if we (bought) a new goalkeeper, the team (would be) much stronger.
5) I (will go) cycling with you this weekend if my brother (lends) me his bike.
5) I (would go) cycling with you this weekend if my brother (lent) me his bike.
6) You (will be) ill if you (eat) all that chocolate cake!
7) I (would go) skiing if l (lived) nearer to the mountains.

Read the text. Use the appropriate forms of the words on the right to complete it.
Sometimes jazz concerts are broadcast on the radio and on television. We(1) are sure that you (2) 've heard about this type of music. It (3) appeared in the United States when the (4) first Africans (5) were brought to North America. In those years many native songs (6) were sung by (7) them and the music of (8) their homeland (9) was played on the new continent.
Modern (10) scientists write that jazz (11) is made up of the music of West Africa.