Какое из предложений правильное?a. I go and she go.b. He has

Какое из предложений правильное?
a. I go and she go.
b. He has and she has.
c. We goes and he goes.
d. I look and we looks.

В каком предложении есть ошибка?
a. She has an car.
b. We have a car.
c. They have an apartment.
d. He has a car.