Mary told me that the book must ______ to the library in two days.
根据汉语意思翻译句子。所有的票都已经被卖光了。All the tickets have been________ ________ ________.
—English isn’t as________as Chinese.—Maybe,perhaps it’s just because Chinese is your native language.
—There is something wrong with my foot.Dad,could you please________?—No problem.
—Always look around________you cross the street,David.—OK,I know,Mom.A.untilB.beforeC.unless
She looked at me________disbelief when I told her the news.