单项选择题

—This ruler is three times as long as that one. It is not______ to discuss the question again and again.

A．worth
B．worthy
C．worthwhile
D．worth while
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单项选择题
Tony is going camping with______ boys.
A．little two other
B．two little other
C．two other little
D．little other two
单项选择题
They knew her very well. They had seen her ______up from childhood.
A．grow
B．grew
C．was growing
D．to grow
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