1. We……… another country before. (to visit)
2. Pete __________________ in the water for over 4 hours. (swim) 
3. The girls……… their lunch yet. (to eat)
4.Robin………with his father in the Alps for three days. (to stay)
5.Emily and Molly………each other for more than 10 years now. (to know) *
6.Dan………two tablets this year. (already/ to buy) *
7. This is the first time they _______________ Texan beefsteak. (eat)
8. His Dad_________________ in Hue since 2000. (live) *