Taxi booking apps_______ available for more than a year in some cities in Henan province since 2013.
A. are B. were
C. will be D. have been
—You have tried on several more shirts.
— Sorry to take up too much of your time. But _______of them look good on me.
A. neither B. any
C. none D. both
—I hear you’ll take part in the English contest.
—You’re right. I think it’s a great ________ for me.
A. solution B. challenge
C. trouble D. duty
－Jim, is physics difficult to learn in high school?
－Sure. No subject can be learned well hard work.
A. without B. from
C. through D. for
The U.S. first lady Michelle Obama, arrived in China on March 20, 2014 for _______ six-day visit, focusing on _______ importance of cultural exchanges.
A. the, an B. a, an
C. a, the D. the, the
6月5日( June 5)是世界环境保护日，
我们周围的环境变得越来越糟糕，污染越来越严重……。假如你是学生Jone.，你校要进行“如何保护我们的环境?”专题演讲比赛，要求：
1、举例说明环境存在的问题1—3方面;
2、如何保护好我们的环境，采取怎样的措施，举例1—3方面进行说明，字80左右。
Dear headmasters,teachers,classmates and friends:
