Mary (eat) a sandwich in the afternoon.
I (not/ use) the computer a lot.
(you/ send) emails to your friends? Yes, I .

(1) Does Sam at home?

(2) No, he doesn't.

(3) Зависит от контекста. Если полдень не наступил, то will eat, усли то eat, если обычно ест в полдень, то eats.

Mary eats a sandwich in the afternoon.

(4) I don't use the computer a lot.

(5) Do you send emails to your friends? Yes, I do.

Объяснение: