----I am looking for information on social safety.----You can take this book. Social safety is _______ introduced in it
【2012湖南衡阳】Hurry up, ________ you will miss the train. A. and B. so C. or
【2012新疆阜康】 they are twins, they don’t look the same at all.
【2012山东日照】I really enjoyed your speech, ______ there were some parts I didn’t quite understand.
【2012山东日照】 -Tell us something about Canada, OK?-I’m sorry. _________ Jack _________ I have ever been there.
【2012江苏泰州】Cross the road carefully, ____you’ll keep yourself safe.