Mrs. Smith found the toys here and there, so she asked her son to ______ his toys before having dinner.
—Do you like swimming? —Yes, swimming is a good way _______ fit.
—Would you like to climb mountains with me this Sunday? —I’d love to. But I _______ play table tennis against Class Three.
Sam spends two hours _______ his homework every day.
He is ill. I don’t know _______ he will come to school.
—_______ do you prefer, walking or running? —I like running better.