[单项选择]In general, the amount that a student spends for housing should be held to one-fifth of the total ______ for living expenses, A. acceptable B. available C. advisable D. applicable
第1题: [单项选择]Since he is a foreign correspondent, he is quite ______the international affairs. 参考答案:A 答案解析:因为他是驻外记者,所以熟知国际事务。 固定搭配题。be well up in意为“对……知道得很多,很熟悉”,相当于be well up on。be well up to,be well i