Grammar 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 -> Sao đáp án là A vậy 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 -> Sao đáp án là D vậy 3. She was ____ to discover that she had won first prize. A. excited. B. lucky C. astonished D. nervous -> Đáp án C nhưng mình thấy A cũng hợp lí 4/ By the way, henry, did you have any lunch? A. Suddenly B. Once and for all C. Incidentally D. Definitely -> Sao đáp án là C vậy 5. The doctor was praised for her ................ work with her patients A. Groundless B. Tireless C. Bottomless D. Restless. -> Sao đáp án là B vậy 6. I was very angry because none of the servants was ................ when i wanted a message A. Inaccessible B. Fashionable C. Illegible D. Available -> Đáp án là D nhưng mình thấy A cx hợp lí