Find the one choice that the best completes the sentence

6.Ha Long Bay, one of the most picture slights in Vienam, was........by UNESCO as world Heritage site
A.recognised B.signed C.realized D.collected
7.How can we go to Ha Long Bay from Ha Noi?-By land, I mean by buses and......
A.planes B.boats C.ships D.trains
8.There are a lot of.......in Ha Long Bay , for example the islet of Monkeys
A.islanders B.islets C.isles D.peninsula
9.Coming to Ha Long, you can......a lot of magnificent caves
A.examine B.investigate C.explore D.look for
10.You can also visit some beautiful......islands
A.hailstone B.limestone C.sandstone D.millstone
11.Besides, you can swim, sunbathe or relax on quiet clean........beaches
A.sand B.stone C.rubble D.rock
12.For accmmodation you can stay in........and mini-hotels in Ha Long city
A.restuarants B.cafeterias C.hotels D.motels
13.There are also hotels on various.......servering people on tour to visit them and their islanders
A.lands B.places C.cities D.islands
14.Guest horses are cheaper, they are.......accommodation
A.low B.low-priced C.high D.high-priced