The number of the employees has grown from 1,000 to 1,200.This means it has risen ________ 20 percent.
| A．at | B．by | C．to | D．with |
_______ attractions you are planning to visit in that island country, you’d better book your hotel _____ because the hotels are always full in the tourist seasons.
| A．Whatever; in the advance | B．Wherever; before hand |
| C．Whichever; in advance | D．Whosever; before hand |
---John is said to have learned Italian in Italy for five years.
--________ he speaks it like a native speaker.
| A．No doubt | B．No wonder | C．No problem | D．No curiosity |
Tourism is the ______ for the country’s economy, so its government tries its best to ______ both the natural scenery and the places of interest.
| A．center; protect | B．heart; reserve | C．focus; keep | D．engine; preserve |
The wedding ceremony is unique ____the minority tribe, which attracts many tourists when the time comes.
| A．to | B．for | C．in | D．of |
The island country is _______ its clean waters and clear skies, which are free _____ pollution of any kind.
| A．well known to; of | B．famous for; for |
| C．well-known for; of | D． famous as; from |