_______, the experiment will be successful.
A. If carefully doing B. If it done carefully
C. If carefully done D. If doing carefully
In the front of the hall _______ a group of pupils, who were listening to the lecture attentively.
A. were sitting B. sat C. sit D. was sitting
Have you ever had a case _______ someone accused your journalists of getting the wrong end of the stick?
A. where B. which C. that D. when
People all over the world are kept _______ of what is happening at once by means of the Internet.
A. suspected B. convinced C. approved D. informed
——Is Jenny coming to the exchange meeting?
——_______. She may not have time.
A. Up to you B. Sure C. I guess so D. It depends
有统计资料显示，今年春节期间，全国发送短信170亿条。有关短信拜年用“原创”还是“克隆（群发）”的争论很多。一种观点怀疑“克隆（群发）短信”拜年的真诚度，另一种观点则与之相反，认为不管短信是否是原创，祝福也一样真诚。请结合这一现象，用英语写一篇100——120字的短文，发表你的看法。
注：短信text message 克隆的cloned
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