Задание 4. Вставьте подходящий модальный глагол (must, can, can't, should). Dogs ___ (can, can't) fly. They ___ (can, can't) run fast. You ___ (can't, should) see a doctor if you have a high temperature. She ___ (must, can) drive a car, she has a license. You ___ (must, can't) help your parents. We ___ (can't, should) cross the road on a red light.