You will be ________ if you hide in that cave.
A. safe
B. noisy
C. security
D. living
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Madam Curie is a very famous ________.
A. hero
B. science
C. scientific
D. scientist
“I’m afraid I can’t come after all.”“Well, in that ________ I’m not going either.''
A. matter
B. situation
C. occasion
D. case
He bought a ________ of shoes yesterday, didn’t he?
A. sock
B. group
C. pair
D. soap
________ is used to mean a single day without work because of a religious or national festival.
A. Festival
B. Vacation
C. Leave
D. Holiday