Wasacarinvented_____March4,1876?A、on B、in C、at
—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.
I see Wei Han _______ English almost every morning.