There were a lot of people in the park. We had ______ to take a rest, so we got very tired.
—______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
When you read, don't________every new word in the dictionary. Try to guess its meaning.
Zhu Zhiwen’s never been to Hongkong, _______?
By the year 2015, all of China's museums will be free to enter. We_______visit anymuseum without paying.A. can b. need C. must D. should
—Which one do you want to buy, an iPod touch 4, an iPad 3 or an iPhone 5?—______. They are too expensive.