Every possible means ________ to prevent water pollution, but we still have not enough clean water．

A.
has been used
B.
are used
C.
were used
D.
have been used

In most countries in the world, the court shall have authority(权威)to demand the ________ of witness．

A.
attention
B.
presence
C.
sight
D.
protection

Some good news ________ to me when the soldiers come back.

A.
was to be brought
B.
is to be brought
C.
are to be brought
D.
is to bring

People from the south find it hard to understand ________ people from the north are saying．

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

What he said suggested the murderer referred to _________ at once．

A.
being shot
B.
be shot
C.
was shot
D.
be shot at

As a new head teacher, I often think of ________ I can react more appropriately on such occasions．

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

scholar from local culture institute told us that around year 1900 Seven Hedin discovered the ruins．

A.
The; a;/
B.
The;/; the
C.
A; the; the
D.
/; a; a

the end of the 19^th century, people from Northern European countries began to move Britain．

A.
By; to
B.
To; for
C.
At; to
D.
In; for

The first set oftextbooks ________ for teaching English as a foreign language came out in the16th century.

A.
written
B.
had beenwritten
C.
to bewritten
D.
waswritten

Your composition is good ________ the handwriting.

A.
besides
B.
except
C.
except for
D.
beside

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