The students are doing some cleaning. Some are sweeping the floor, ________ are cleaning the desks and chairs.
—How happy the grandparents are! —Yes, they for fifty years.
—Would you please tell me in today’s newspaper? ---Sorry, I haven’t read it yet.
We should thank the man. He always does what he can us.
—Mom, can I do much work in a short time? —Dear, I think you can.
—Look! Smiths are playing basketball —Let’s them.