1. A: ______________ happened to your leg?B: I fell and broke it.A: I can see that, but how did you break it ?B: It snowed last night, ______this morning I decided to go skiing.A: Say no more. I can guess the rest.2. A: Why did you close the window?B: _______ I’m cold.A: I can’t __________ it ! It’s a hot day and you are cold. Are you sick?B: No, I’m not ______ it’s not a hot day. It’s cold.3. A: _____________ to your clothes?B: I was out in the rain.A: _________ forget your umbrella at home?B: No, I had it with me ______ the wind broke it.4. A: ___________ you yesterday?B: I was at the hospital with my mom.A: _____ did you go there?B: My mom had a terrible stomachache and she also felt dizzy.