Internetisagreattoolifweknowho

Internet is a great tool if we know how to use it ,but it shouldn’t be a replacement for ______life.

A．oringinal

B．real

C．natural

D．actual

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Martin Cooper , a US researcher , was considered _______ the first cell phone .

A．invented

B．to invent

C．having invented

D．to have invented

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A．put

B．to be putting

C．to put

D．putting

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A．when

B．which

C．why

D．where

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A．on condition

B．in condition

C．under condition

D． at conditions

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With all the problems ______, the manager left for home, _______.

A．solved, satisfied	B．to be solved, with satisfaction
C．being solved, satisfied	D．having been solved, with satisfaction

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