My shoes are broken. They need ________.
Can you ___what our life would be like without water or food ?
How does Jack usually go to school? He _____ride a bike, but now he _____ walking there.
You should ______ the bus when it stops.
— The radio says it will be rainy tomorrow. — . I planned to go hiking with my friends.
— I can’t believe the old man can come here from his home on foot. — It’s really not easy such an old man so far.