[ Verb and Sentence Structure ]
You (should, must) always be polite to others.
A. should
B. must
Select your answer:

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Grammar › ViewThe shed door won’t open. I have two keys but … key works.
A. either
B. neither
C. none
D. all
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The baby’s illness is ………………… than we thought at first.
A. bad
B. worst
C. worse
D. badly
