The tiger, once a ____ animal to humans, is now ____of disappearing on the earth.
| A．dangerous, danger | B．in danger, in danger |
| C．dangerous, in danger | D．danger, in danger |
I can’t say which type of tea tastes better. It’s just a（an） ______ of personal preference.
| A．affair | B．problem | C．variety | D．matter |
______ that he has no qualifications in business management, Ken plans to gain the necessary skills by taking a part-time course.
| A．Concerning | B．Concerned | C．Being concerned | D．To concern |
His health failing, ______ last year.
| A．so the school gave Mr. Smith leave | B．the school had given Mr. Smith leave |
| C．so Mr. Smith went on leave from work | D．Mr. Smith went on leave from work |
As a student in Senior Three, I must work hard． ______, I should take exercise to strengthen my body．
| A．Otherwise | B．Meanwhile | C．Therefore | D．Thus |
No person __________ carry a mobile phone into the examination room during the national college Entrance Examinations．
| A．shall | B．must | C．can | D．need |