Помогите с Английским

Выберите английский эквивалент русского предложения из предлагаемых вариантов.
1.Он должен идти домой.
Не may go home. Не must go home. He had to go home.
2.Он должен идти домой в 5 часов.
Не must go home at 5 o'clock. He is to go home at 5 o'clock. He may go home at 5 o'clock.
3.Он может идти домой в 5 часов.
Не may go home at 5. Не can go home at 5. He must go home at 5.
4.Он должен будет идти домой раньше.
Не must go home earlier. He should go home earlier. He will have to go home earlier.
5.Ему следует идти домой.
Не should go home. He may go home. He had to go home.
6.Он может очень быстро ходить.
Не can walk very quickly. He will be able to walk very quickly. He could walk very quickly.
7.Ему разрешат идти домой после трех.
Не is permitted to go home after 3. He was permitted to go home after 3. He will be permitted to go home after 3.
8.Ему не нужно идти домой сразу.
Не is not allowed to go home at once. He could not go home at once. He needn't go home at once.