We learn hard. we hope to pass the exam (and) ->......................................................................................................................... They whispered. They didn't want us to hear them (because) ->......................................................................................................................... We are saving money. We want to buy a new house (so) ->......................................................................................................................... I am going to the supermarket.......................I want to buy some food A. therefore B. because C. but D. however Do you want to have coffee................tea? A. and B. or C. although D. and She studies well.......................she is busy A. because B. since C. although D. and They went to school.......................it was raining hard A. however B. and C. therefore D. although