I ______ this bike for three years.
A. have bought B. have had C. have borrowed D. have been
_______ the TV program I Am A Singer came out, music fans all over the country became interested in it at once.
A. As soon as B. Unless C. Although D. Until
—Jason, would you please ________ this notice?
—No problem. I’ll do it right away.
A. put on B. put off C. put up D. put out
Mario works in an after-school reading program_______ kids.
A. help B. helps C. to help D. helping
—I read _______ story about Shen Nong. Do you know who he was, Tony?
—He was_______ emperor in ancient China.
A. a; / B. a; an C. an; a D. an; /
除了野地生火外，游客乱扔垃圾和在树上刻字留念也是景区常见的问题。假如你是地方环保组织Earth First的成员，请你根据以下要点，给游客写一封公开信，谈谈你的看法。
内容包括：
1．分别分析两种不文明行为可能带来的危害；
2．针对这两种不文明行为提出建议；
3．呼吁游客遵守规则，保护环境。
作文要求：
1．不能照抄原文；不得在作文中出现学校真实的名称和学生的真实姓名。
2．语句连贯，词数80个左右。作文的开头已经给出，不计入总词数。
Dear visitors,
It is sad to hear that fires left by our tourists might be the cause of recent disaster. ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Yours,
John
