1.中文：她在彈鋼琴。
    （誤）She was playing piano.
    （正）She was playing the piano.（演奏樂器，如piano，violin，樂器前面要加定冠詞the.） 中文：孩子們每天早上去上學。
    （誤）The children go to the school every morning.
    （正）The children go to school every morning.（go to school是習慣用語，不加the.） 中文：她有一頭秀發(fā)。
    （誤）She has a beautiful hair.
    （正）She has beautiful hair.（hair指頭發(fā)的整體，是不可數名詞，前面不加a.） 中文：她喜歡看電視。
    （誤）She likes to watch the TV.
    （正）She likes to watch TV.（看電視，習慣上TV前不加the.） 中文：她在房間里聽廣播。
    （誤）She was listening to radio in the room.
    （正）She was listening to the radio in the room.（聽廣播，習慣上radio前面加the.）
    6.中文：尼羅河是埃及最長的河。
    （誤）Nile River is the longest river in Egypt.
    （正）The Nile River is the longest river in Egypt.（在河流，山脈等名稱前要用定冠詞。）
    7.中文：天氣不錯。
    （誤）It’s a nice weather.
    （正）It is nice weather.（weather是不可數名詞，前面不加a.）
    8.中文：下星期再見。
    （誤）See you again the next week.
    （正）See you again next week.（next week表示將來；the next week表示過去。）
    9.中文：歷史是很有趣的學科。
    （誤）The history is a very interesting subject.
    （正）History is a very interesting subject.（學科前一般不加冠詞。）
    10.中文：他乘火車來這里。
    （誤）He came here by a train.
    （正）He came here by train.（by后接交通工具，中間不加冠詞。）
    11.中文：今晚你可以看到滿月。
    （誤）You may see the full moon tonight.
    （正）You may see a full moon tonight.（月亮，太陽等獨一無二的物體，當有形容詞修飾時可加a.）
    12.中文：她剛才去了保羅街。
    （誤）She went to the Paul Street just now.
    （正）She went to Paul Street just now.（街道名稱前一般不加the.）
    13.中文：連孩子都會做它。
    （誤）Even child can do it.
    （正）Even a child can do it.（不定冠詞＋單數名詞表示某類人或物。）