1. A a need arise: việc gì đó xảy ra, phát sinh

2. D ransom: tiền chuộc

3. C astonished: ngạc nhiên ( A là phấn khích, thường dùng khi thực hiện một việc gì đó thú vị)

4. C incidentally= by the way: tình cờ

5. B tireless work: làm việc không mệt mỏi

6. D available: có sẵn ( A là không thể tiếp cận)

1/ . According to the captain, his special units can take an immediate action against terrorists if such a need………………..
A. arise
B. originate
C. evoke
D. experience
-> a need arise: phát sinh một việc gì đó
2. The hijackers have demanded a ....... to be paid for releasing the civilian hostages from the plane
A. currency
B. Revenue
C. Deposit
D. Ransom
-> ransom: tiền chuộc
3. She was ____ to discover that she had won first prize.
A. excited.
B. lucky
C. astonished
D. nervous
-> astonished: ngạc nhiên
4/ By the way, henry, did you have any lunch?
A. Suddenly
B. Once and for all
C. Incidentally
D. Definitely
-> By the way = incidentally = tình cờ
5. The doctor was praised for her ................ work with her patients
A. Groundless
B. Tireless
C. Bottomless
D. Restless.
-> Tireless work: lm việc ko mệt mỏi
6. I was very angry because none of the servants was ................ when i wanted a message
A. Inaccessible
B. Fashionable
C. Illegible
D. Available
-> available : có sẵn