1.I _have_ already_seen__ (see) the film.I__saw__ (see)it last week.
2.What_is Tom___doing___(do)now?He ___is working______ (wprk)on a maths problem.__has_ he _worked___(work)it out No,not yet.I __think___ (think)he ___will work___ (work)it out soon.
3.__have___ you __been__(be)to HongKong?Yes.I __have been__ (be)there twice.
4.___have___ you ever__ate__(eat)chocolate sundaes?
5.My father _has_ iust _come_ (come)back from work.He is tired now.
6.Where's Li Ming?He __has gone___(go)to the teacher's office.
7.Shanghai __was___(be)a small town hundreds of years ago.Now it___has become___(become)a large city.
8.I __have been working___(work)here since I___moved__(move)here in1999.
9.So far I____have made_______ (make)quite a few friends here.
10.What _has_ he_done__ (do)when you _went______ (go)to see him yesterday morning?He ____has wrote______ (write)a leeter ot his mother.
11.Where does your father work?He __works___ (work)in taht factory.How long _has____ he __been worked______ (work)there?For over twenty years.
12.What are__you __doing___(do)now?I __am reading______ (read)a book.How many pages ___have ______ you ___read____(read)?About thirty