6.A.He has been to Japan.
B. He has gone to Japan.
C. He likes watching TV.
7.A.She is clever. B.Hold on,please. C.No,you don’t have to.
8.A.Here you are . B.Thank you all the same. C.Sorry, I’m new here.
9.A.Of course not. B.Yes,I will. C.Sure
10.A.Well done! B.That’s OK C.Try to relax.