When to go for a holiday yet.

Our foreign English teacher Shirley has a gift for creating an atmosphere for her students _________ allows them to communicate freely with each other.

Students are required to go out in couples,especially in the evenings, with friends ______ they get into trouble．

Did he give you advice on your work yesterday—- Yes. But his advice, as a matter of fact, ______ my difficulty.

―Could I smoke here―I’d prefer _______if you don’t smoke in front of thechildren.