Vienna,the capital of Austria,is  the River Danube and The Blue Danube is      Strauss.

We can’t do it _____ your help.

In the evening I often talk _______ my friends _______ the Internet.

-- How do you study      a test? -- I study     listening to tapes.

--- Who went to the beach yesterday?--- All my family went there ____ my son. He should study for the test at school.