№5. перепишите предложения и переведите их на язык. поставьте эти предложения в вопросительную и в отрицательную форму. 1. the city of montreal covers 70 square miles. 2.scientists in many different countries are working to explain its mystery. 3.recently bbc experts have invented a new system that lets the deaf understand television programs.

1. Does the city of Montreal cover 70 square miles?
2. Are scientists in many different countries working to explain its mystery?
3. Have BBC experts recently invented a new system that lets the deaf understand television programs?
1. The city of Montreal does not cover 70 square miles.
2. Scientists in many different countries are not working to explain its mystery.
3. Recently BBC experts have not invented a new system that lets the deaf understand television programs.