Вставьте модальные глаголы may, can, must, need.1. There are no buses or taxis, so we ......

Question

Вставьте модальные глаголы may, can, must, need.

1. There
are no buses or taxis, so we ... walk.

2. I.. not go out today: it is too
cold

3. ... I use your telephone?

4. I ... ask the chief to put off my report: it is impossible to do
anything in such a short time!

5. What time is it? It be about 6 o'clock, but I am not sure.

6. We «.. not live without food and water.

Answer 1

1) Need
2) can
3) may
4) need (must) зависит от степени важности действия.
5)must (it must be 6 ....)
6) can, must (зависит так же как в 4)

4 и 6 я бы поставил need и can