III. Поставьте предложения в отрицательную форму. К выделенным словам поставьте специальные вопросы. Переведите предложения: 1. We can control the quality of our computers. 2. He has to telephone his office in London every day. 3. The manager will be able to receive Mr. B. only in the afternoon. 4. This firm was allowed to enter the foreign market. 5. I had to sign this agreement only on Monday. 6. Theywithdrewouroffer. 7. We have concluded a lot of profitable deals this month.

1. we cant....
2. he doesnt have to...
3. the manager wont  be...
4. this firm wasnt allowed...
5. I didnt have to sign...
6. they didnt withdraw...
7. we havent concluded...