简介： =================从A、B、C、D四个选项中选出可以填入空白处的最佳答案，并把答题卡上对应题目的答案标号涂黑。 21. ---How do you tell him about the news? --- sending e-mails. A. By B. On C. For D. With 22. It sounds to use "Could you …?" than "Can you…?" A. polite B. more poli...