6. small / thin / sister / white / and / his / lips / teeth / has.
=> His sister has small white teeth and thin lips.
7. hot / go / when / I/ go swimming / it / is.
=> I go swimming when it is hot.
8. camping / often / do / how / you / go?
=> How often do you go camping ?
9. stay / grandparents / vacation / are / with / next / we / to / we / to / our / going / summer.
We are going with our grandparents to next vacation. ( Câu này hình như sai đó em, xem lại rồi cmt cho a nha )
10. in / the / Nile River / the / longest / the / is / world.
=> Nile River is the longest in the world.
Chúc em học tốt !