£¨ £©23. My parents and I have          come back from our hometown.

   A. ever           B. never                C. just     

£¨ £©24. ----Can you write the number eight-five thousand,six hundred and twenty-six?

A. 85,626        B. 856,620        C.    58,662

£¨ £©25. Don’t touch anything __________ your teacher tells you to.

A. if                     B. though                   C. unless       

£¨ £©26. ----      you      your homework yet?---Yes,I     it ten minutes ago.

  A.Did; do :finished  B.Have;done; have finished  C.Have;done;have finished