We think the electronic computer ________ one of the most useful tools in use today.

A.
be
B.
being
C.
have been
D.
to be

Everyone had a form in his hand, but no one knew which office____．

A.
to send it to
B.
to sent it
C.
to be sent to
D.
to have it sent

He is a boy of words. He doesn't speak until .

A.
a few; spoken to
B.
few; speaking to
C.
a few; speaking to
D.
few; spoken to

Slowly she opened the letter, ________.

A.
her hands slightly trembling
B.
trembling her hands slightly
C.
her hands trembled slightly
D.
slightly her hands were trembled

Though I tried to reason with them, I was in chains and thrown to prison.

A.
worn; the
B.
kept; a
C.
put;/
D.
set; that

After months of voyage, Columbus arrived in ______ later proved a new continent．

A.
where
B.
what
C.
which
D.
that

A computer ________ think for itself; it must be told what to do.

A.
can't
B.
couldn't
C.
may not
D.
might not

Michad ________ be a policeman, for he is much too short.

A.
needn't
B.
can't
C.
should
D.
may

We were all surprised when he made it clear that he _____ office soon.

A.
leaves
B.
would leave
C.
left
D.
had left

The villagers planted many trees in and around the village, which, ________, provide them with a beautiful scenery and much fresher air．

A.
in turn
B.
on the contrary
C.
in return
D.
for example

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