----Good morning ! -----___________!
—Who taught ______ English last year, Kang Kang? Was it Mr Huang?— Yes. I found _____ so funny to have his English class.
—I am tired these days. What should I do, Mum?—Have a good rest, eat more ______ and do more ______.
—Now I really enjoy learning English.—Yeah! Just do it!
—Do you think it is hard for you to learn math well?—Yes. I really want to drop it.
—The river smells so terrible! How did it come about?—People used to pour dirty water into it.