2.What_ Tom______(do)now?He _________ (wprk)on a maths problem. ___ he ____(work)it out ? No,not yet.I _____ (think)he ______ (work)it out soon. 3._____ you ____(be)to HongKong? Yes.I ____ (be)there twice. 4.______ you ever____(eat)chocolate sundaes? 5.My father __ iust __ (come)back from work.He is tired now.6.Where's Li Ming?He _____(go)to the teacher's office.7.Shanghai _____(be)a small town hundreds of years ago.Now it______(become)a large city.8.I _____(work)here since I_____(move)here in1999.9.So far I___________ (make)quite a few friends here.10.What __ he___ (do)when you _______ (go)to see him yesterday morning?He __________ (write)a leeter ot his mother.11.Where does your father work?He _____ (work)in taht factory.How long _____ he ________ (work)there?For over twenty years.12.What __you _____(do)now?I ________ (read)a book.How many pages _________ you _______(read)?About thirty.急用