№4 choose the correct answers. 1. a: when is barbara going to phone you? b: i don’t know. she (can’t/might/couldn’t/needn’t) phone this afternoon. 2. (must/ need/ have to / could) you open the door, please? 3. i’m sorry, but i (don’t have to/can’t/shouldn’t/couldn’t) come to your party next saturday. 4. we (can/ have to/ must/ can’t) go to the bank today we haven’t got any money. we need some money. 5. you (couldn’t/don’t have to/ mustn’t /can) wear shoes in this area. shoes aren’t allowed here. 6. you watch tv all the time. you (can/ can’t/ should/ shouldn’t) watch too much tv. b: yes, please. 7. tom (can/mustn’t/should/ doesn’t have to) go to bed early. he goes to bed very late, and he’s always tired. 8. we didn’t have any food yesterday, so we (could /can/ must/ had to) go shopping. 9. we have got enough food, so we (can’t/mustn’t/needn’t/ should) go shopping. 10. a: you can’t park your car here for nothing. you (can/will/could/ have to) pay. 11. a: can you change twenty pound? b: no, i …………………….(can/can’t)