There have been many _________ in their marriage but they still love each other.A. bac

— Do you think Qingdao is a fantastic place for tourist？— Yes, I have ___ there many tim

In recent years there has been a ______ increase in the cost of living; many families have

－－－ Have you been to America？－－－ __________.A. Yes. I went there last yearB. Yes. I lik

一____________？一I’v never been there but I hope to go there in the future.A .Where are

－－－ ______？－－－ I’ve never been there but I hope to go there in the future.A. Have you b

They must have been enjoying themselves there, or they______so long.A．can"t have stayedB．w