Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Water volume in rivers in central Vietnam will decline by 30 to 50 percent, potentially leading to a _______ between April and June.
A.scarcely
B.scarcity
C.scarify
D.scarce

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
She is extremely competent and _________.
A.industry
B.industrious
C.industrialize
D.industrial

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
It can be an amazing experience for those who have the ______ to leave their family and friend and live in a new place.
A.courageous
B.encouragement
C.courage
D.encourage

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
Don’t worry. He’ll do the job as_________as possible
A.economical
B.econimic
C.economically
D.economizing

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
To have a _______ impression on their clients, business persons put great effort into making their sales pitch as lively as possible.
A.last
B.lasts
C.lasted
D.lasting

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
The top tourist ________in Vietnam, Ha Long bay features thousands of islands, each topped with thick jungle vegetation, forming a spectacular seascape of limestone pillars.
A.attraction
B.attractiveness
C.attract
D.attractive

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
There is ________ public concern in Shelton following the discovery on Tuesday evening of a metal container filled with poisonous liquid.
A.considerably
B.consider
C.consideration
D.considerable

Choose the best answer to complete the following question.
Most people can ______ clearly between a real and stimulated smile.
A.differ
B.different
C.differentiate
D.difference

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Don’t worry. He’ll do the job as _______ as possible.
A.uneconomically
B.economic
C.economizing
D.economically

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
They are close-knit family and very _______ of one another.
A.support
B.supported
C.supporting
D.supportive