—____ jacket is this?—I think it’s Mingming’s.
— Mum, I was the first to reach the top of the mountain. — Good job, Jack! I’m of you.
If you _______ go, at least wait until the rain stops.
I always tell my students _______ on the road because it’s really dangerous.
—Happy birthday to you, Mary!—.
—Mum, must I stay there the whole day? —No, you.Youcome back after lunch, if you like.