As is known to all language learners, the newly learnt words will soon be forgotten unless______ used in everyday communication.

   They traveled ________, all the way up to Wisconsin .

 With more and more farmers moving to cities, an inadequate labor force is    becoming a major factor affecting the country's grain output.

—I think you can’t believe I had to pay $20   a haircut?—You should try the barber’s       I go. It’s only $5.

        go straight on to university why not get some work experience first?