The serious situation made it possible for laws preventing pollutions_________in many countries.

A.
from passing
B.
to pass
C.
by passing
D.
to be passed

Cloning plants is straightforward cloning animals is very complicated .

A.
so that
B.
although
C.
while
D.
as if

I saw one of the guests go through the kitchen door ______ on the light.

A.
turning
B.
to turn
C.
and turn
D.
and turned

is expected that it will be fine tomorrow, when we can do some outdoor activities．

A.
As
B.
It
C.
That
D.
Which

_ some time for your family, which __ a better family relationship.

A.
Set out; leads to
B.
Set aside; contributes to
C.
Set off; devotes to
D.
Set up; relates to

Mary is so crazy _ that famous singer that her hairstyle is similar _his.

A.
to; about
B.
about; with
C.
with; to
D.
about; to

The thief stood there, with his head ___.

A.
on
B.
down
C.
to be up
D.
to be down

It’s certainly hard work.But, a man who wishes to have a career has to make a great many sacrifices.

A.
on the contrary
B.
in addition
C.
on the other hand
D.
in that case

A man with a bleeding hand hurried in and asked, “Is there a hospital around ________I can get my hand treated

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

Some biologists believe this is an ancient survival strategy, _______ a diet with 30 percent fewer calories than usual increased life span.

A.
for which
B.
to which
C.
of which
D.
in which

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