As a Chinese saying goes, a mountain ______ be too high or an ocean too deep. Therefore, there is no end to our self-improvement.
--Is Jim at school today? -- No, he's at home ______ he has a bad cold.
_________ picture books in class, please.
________ wonderful music it is! I like it very much.
-- You seem to like sweets. --________ ,I buy sweets every week.
She thinks she can get there on time, ________ she?