____new wave of Chinese migration is under way, fuelled by ever-younger students for whom
English is not a piece of knowledge but a living language to unlock ____ door of the wider world.
| A.The; the | B.The; a | C.A; the | D.A; a | 
The Spring Festival is ________unique day for families. It is also _______ day for special foods like niangao.
| A.an, a | B.an, the | C.a, a | D.the, a | 
For each individual, sport is ___ possible source for inner improvement. Olympism seeks to create a way of life based on ___ joy found in effort.
| A.a; a | B.the; the | C.a; the | D.the; a | 
General speaking, ___ graduate from ____ well—known university is more likely to find a good job.
| A.a, the | B.a, a | C.the, a | D.the, the | 
I heard you have vacant position for a secretary. I’ve come to apply for job.
| A.the; a | B.a; the | C./; a | D.a; / | 
As___ _matter of fact, _____beauty of___ nature there made an excellent impression on me.
| A.a; the; 不填 | B.a; the; the | C.the; the; 不填 | D.a; 不填; the |