How many________ do you need to finish this article?
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 .You come back after lunch, if you like.
—Miss Li, could you give me on English learning?—Certainly. First you should speak English every day.