.In my opinion, life in the twenty-first century is much easier than _______.

A. that used to be     B. it is used to    C. it was used to      D. it used to be

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科目：高中英語 來源： 題型：

改正下列短文中的錯誤。請根據(jù)上下文對標(biāo)有題號的每一行作出判斷;如無錯誤，在該行右邊橫線上劃一個勾（√）;如有錯誤（每行只有一個錯誤），則按下列情況改正;

       此行多一個詞：把多余的詞用斜線（\）劃掉，在該行右邊橫線上寫出該詞，并用斜線劃掉。

       此行缺一個詞：在缺詞處加一個漏字符號（∧），在該行右邊橫線上寫出應(yīng)加的單詞。

       此行錯一個詞：在錯詞下劃一道線，在該行右邊橫線上寫出改正后的單詞。

       注意：原行沒有錯誤的不要改。

Should students make friends on line? Some of people say yes.       ________

The Internet helps make many friends. Chat on line,                      _______    

students can more free express their feelings and opi??nions,                    _______

and even get help with their foreign languages studies. Others,      _______

therefore, think students should not. They say making friends         _______

on line is waste of time, which should be spent more                      ______

meaningfully on study. Beside, some students get cheat??ed on line.      ________

It is my opinion students should place their study, health                _____

and safety before other things. As for friendship, we can                  ________

readily find them in our classmates and other people around us.       ________

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