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