Complete the sentences using (must/n't; can't/don't; have to; should/n't; ought to; had better.) sometimes more than one answer is possible. 1)look at this phone bill! i to make fewer phone cslls. 2) you loud during the lesson. надо, !

1)Look at this phone bill! I really must try to make fewer phone calls.2) You mustn't be loud during the lesson.

1)посмотрите на  счет  в телефоне! Я должен попытаться сделать меньше звонков.
2) ты не должен быть громким во время урока.
1 must
2 mustn't