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Joining clauses with "if" and "when"

今天我们将学习使用if(如果)与when(当…时候)。请学习以下例句:I sneeze a lot when I have an allergy.(当我过敏时我经常打喷嚏)If I have the flu, I have a terrible sore throat.(当我患流感时,我喉咙很疼)If I have a cold, I cough a lot.(如果我感冒了,我会经常咳嗽)I cough a lot when I have a cold.(当我感冒时,我会经常咳嗽)I sneeze a lot when I have allergies.(当我过敏时我会经常打喷嚏)If I have allergies, I sneeze a lot.(如果我过敏了,我会经常打喷嚏)When I have the flu, I have a fever.(当我得流感时,我会发烧)If I have a toothache, I go to the doctor.(当我牙疼时,我去看医生)When I have a toothache, I go to the dentist.(当我牙疼时,我去看牙医)If I have a headache, I drink more water.(当我头疼时,我喝更多水)When I have a headache, I try to sleep more.(当我头疼时,我会睡更多)现在请试着回答以下问题:What do you do when you have the flu?(当你患流感时你会怎样做)What do you do when you have allergies?(当你过敏时你会怎样做)What do you do when you have a sore throat?(当你喉咙疼时你会怎样做)

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