—______did Prince William's wedding(婚礼) last?—It lasted for about 5 hours.A. How far b. How long C. How soon D. How often
Learning country’s language is a better way of knowing ________ culture behind it.
Beijing ______a lot in the past ten years. Now it has become one of the biggest modern______ in the world.
Sometimes playing computer games can ______ students’ study.
— I don’t know the new word. — It doesn’t matter, you can ______ in the dictionary.
We teachers should ______ students ______ us questions in class.