Suzhou is one of the_______ in China.
—How do you like Beijing, Miss Read?—I’ve no idea. I _____ there.
_____ the Great Green Wall, the land produces (生产出) more crops.
—Where are Maria and Kangkang?—They _____ England.
—Do you know ______ ?—Sorry. I don't have a watch.
Mother is the person ______ is always there for you.