1. Liu Yiting _______ (change) a lot since she entered Harvard University.
2. No SMOKING should _______ (see) in the stores even in many parts of the city.
3.—Mr.Brown likes children very much, doesn't he?
   —Yes, that's srue. He _______ (write) a children's book these days.
4. Now the pretty woman can't decide which pair of pants _______ (choose).
   Because they both look good on her.
5. —I haven't seen my grandma for a long time. —I'm looking forward to _______ (visit) her a lot.