______ the paper on the computer, the electricity was suddenly cut off.

He was about to jump into the river ________ his mother stopped him.

She was very hardworking ________he was very lazy.As a result，she passed the examination，but he
failed.

I was just about to jump into the river________the guide stopped me saying "Dangerous"．

The days are fast coming ______ watching films by using the web is a routine.

______, I believe, and you will find the boy is very outgoing.

短文改錯
     Although we may not realize it,  but when we talk with others we make ourselves understand not just
by words.We send messages to the people around us also by our expressions and body movement.A
smile and a handshake shows welcome.Wave one's hand is to say "Goodbye". Nodding head means
agreement when shaking it means disagreement.These gestures are received both by Chinese and English
speakers as having the same meaning.But not all body language means the same thing in different country.
Take nodding the head for example.In some Asia countries it means not "Yes" but "No".
________________________________________________________________________________

Just call me whenever you are in trouble ______ I'll come to help you immediately.  

改錯
     假定英語課上老師要求同桌之間交換修改作文，請你修改你同桌寫的以下作文。文中共有10處錯誤。錯誤涉及一個單詞的增加、刪除或修改。
     刪除：把多余的詞用斜線(\)劃掉，在該行右邊橫線上寫出該詞，并也用斜線劃掉。
     增加：在缺詞處加一個漏字符號(∧)，并在其下面寫出該增加的詞。
     修改：在錯的詞下劃一橫線，并在該詞下面寫出改正的詞。
     注意：1. 原行沒有錯的不要改；2. 只允許修改10處，多者(從第11處起)不計分。
     Mr. Li is a well-known doctor in our city. Kind but patient, he is always ready to do what he can help
his patients. One day he learned from the medical magazine that patients will feel more pain if pleasant
music is played to them. Soon he got an office in his own. So he decided to have beautifully music playing
in his waiting-room. However, on one morning, an old lady who was sitting in the crowded waiting room
became angry while listen to the music. She said, "We were all waiting to see the doctor, but he's just
playing the violin in his office instead of doing her work."
________________________________________________________________________________

John was studying in his room __________ he heard screaming.