At present, a large number of tress ________ around the world．

A.
are being cut down
B.
are being cut across
C.
is being cut down
D.
is being cut up

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科目： 來源： 題型：單選題

It remains to be seen whether plastic ________ are good to the students though they are popular in big cities．

A.
tractors
B.
tracklayers
C.
trackers
D.
tracks

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科目： 來源： 題型：單選題

________ for their help, we would be in a very difficult position.

A.
If it didn't
B.
Had it not
C.
Were it not
D.
Even if

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科目： 來源： 題型：單選題

________ agriculture plays an important role, people don’t attach importance to education．

A.
Where
B.
That
C.
In which
D.
In where

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They insisted on immediate help ________ to the areas that had suffered the greatest loss in the storm．

A.
be given
B.
being given
C.
given
D.
gave

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科目： 來源： 題型：單選題

Advertisements make up a large part of each issue of such teenager magazines, ________ with fashion and beauty advice．

A.
all loaded
B.
all are loaded
C.
all loading
D.
all to be loaded

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科目： 來源： 題型：單選題

This example shows that we can be really good at something when we follow ________ feels right．

A.
that
B.
what
C.
we
D.
it

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科目： 來源： 題型：單選題

You'd better not leave the classroom until your homework________.

A.
will finish
B.
has been finished
C.
finishes
D.
is finished

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科目： 來源： 題型：單選題

They collected some dry branches and ________ fire to them to cook their lunch.

A.
set
B.
lighted
C.
caught
D.
made

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科目： 來源： 題型：單選題

He wants to find a job in a food factory which ________ still

A.
is; being built
B.
is; building
C.
is; to be built
D.
has; been built

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At present, a large number of tress ________ around the world．

It remains to be seen whether plastic ________ are good to the students though they are popular in big cities．

________ for their help, we would be in a very difficult position.

________ agriculture plays an important role, people don’t attach importance to education．

They insisted on immediate help ________ to the areas that had suffered the greatest loss in the storm．

Advertisements make up a large part of each issue of such teenager magazines, ________ with fashion and beauty advice．

This example shows that we can be really good at something when we follow ________ feels right．

You'd better not leave the classroom until your homework________.

They collected some dry branches and ________ fire to them to cook their lunch.

He wants to find a job in a food factory which ________ still