The flight to Guangzhou had to be______ because of the heavy snow.
—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.
—When will you set off to Shanghai, Linda?—Next Monday. I can’t wait!