1.He_has taken__( take)their advice already.
2.they_went to__(go)shop.
3.Mother_wanted__(want)to be a teather.
when she_was__(be)still a little girl.
4.The boys_have studied__(study)English for five years,but they still can not speak well.
5.I_have__never_visited__(visit)the Great Wall although i have been to Beijing many times.
6.Tong was very angry and__threw_(throw)the ball away.
7.The old couple_have traveled__(travel)around the world since they_retired__(retire)
8._Has__he ever_worked__(work)for any big companies.
9.Computers_are found__now(find)their place in ordinary people's homes.