ответьте! Вставьте глагол в нужной форме, чтобы образовать
условные предложения 0-го типа.
If you (to drive) along the river bank it (to be)
twenty miles out of your way.
If you (to take) your mobile phone into class, it
(must) be turned off.
When I (to concentrate), please (not to
make) so much noise.
Unless prices (to rise), it (not to be) a good
investment.
Unless someone (to ask) you politely, (to
refuse) to do anything.

If you  drive along the river bank it is twenty miles out of your way.

If you take your mobile phone into class, it must be turned off.

When I concentrate, please do not make so much noise.

Unless prices rise, it is not a good investment.

Unless someone asks you politely, refuse to do anything.

Объяснение:

If you drive along the river bank, it is twenty miles out of your way.

If you take your mobile phone into class, it must be turned off.

When I concentrate, please don't make so much noise.

Unless prices rise, it is not a good investment.

Unless someone asks you politely, refuse to do anything.