Of the two brothers, Sam is ______.
A. [A] old
B. [B] oldest
C. [C] older
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I have my teeth ______ once every year.
A. [A] checked
B. [B] to check
C. [C] check
Let's turn to ______,everyone.
A. [A] the page 56
B. [B] 56 pages
C. [C] page 56
You look tired, ______ don't you have a rest
A. [A] Why
B. [B] What
C. [C] How
Do you know ______ people in the business
A. [A] another
B. [B] others
C. [C] other