单项选择题

If law and order ______ not preserved, people will not he able to live a secure life.

A．are
B．were
C．is
D．was
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单项选择题
______ John Adams who in 1775 recommended George Washington to be commander in chief of the Continental Anny.
A．It was
B．That was
C．Although
D．When
单项选择题
To my great surprise the food was still on the table, ______.
A．not to be touched
B．untouched
C．untouching
D．no touch
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