They were taken ____________ when theynoticedthe metro cops were armed andloaded.
A. a back
B. back
C. aback
D. the back
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She took on the extra work with good ________________.
A. grace
B. attitude
C. mind
D. manners
As a result, workers who had been reliable now neglected their work.
A. already
B. hitherto
C. yet
D. not
What are you ______________ at?
A. talking
B. speaking
C. driving
D. telling
He must have an extremely strong constitution. What does constitution mean in this context?
A. health
B. muscules
C. will
D. law