Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
You should pay attention to _____ precautions of this machine before operating it.
A.safety
B.safely
C.safe
D.unsafe

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
If you are paid monthly, rather than weekly, you receive_________.
A.a prize
B.a reward
C.a salary
D.wages

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
______an Oscar last year, she’s now one of the most powerful movie stars in the film industry.
A.Having won
B.To have won
C.The winning of
D.Just won

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
When ______ to the party, she politely refused.
A.inviting
B.to invite
C.to be invited
D.invited

Math, Vietnamese literature, English are the _______ subjects in national exams.
A.center
B.additional
C.core
D.favourite

If I _______10 years younger, I _______ the job.
A.am - will take
B.was - have taken
C.had been -will have taken
D.were - would take

MsYoung, to _______ many of her students are writing, is living happily and peacefully inCanada.
A.who
B.whom
C.that
D.whose

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Only a few of the many species at risk of extinction actually make it to the lists and obtain legal _______.
A.protection
B.protecting
C.protector
D.protective

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
I have decided to buy that house. I won’t change my mind _______what you say.
A.although
B.because
C.whether
D.no matter

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
If the weather _______ so bad, we would have gone out.
A.had been
B.weren’t
C.isn’t
D.hadn’t been