Here’susefulbook.bookiswritten

Here’s useful book . book is written by Bill Gates.

A．a; The	B．a; A
C．an; The	D．an; A

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_________ the help of man-made satellites, we can know what the weather will be like
in the next few days.

A．Under

B．With

C．Using

D．By

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---- Is the physics problem _________?
---- Yes, I can work it out _________.

A．easy; easily

B．easy; easy

C．easily; easily

D．easily; easy

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Don’t worry, Sir. I’m sure I can run _________ to catch up with them.

A．slowly enough	B．enough slowly
C．fast enough	D．enough fast

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---- I watched the TV program last night.
---- _________.

A．So I do

B．So I did

C．So did I

D．So do I

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----_________ a year does your school have sports meetings?
---- Twice a year.

A．How often

B．How soon

C．How long

D．How many times

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