which

       D.

before

06.

Tea is the most popular drink, _________coffee comes second.

A.

since 

       B.

until   

       B.

what  

       D.

while

07.

Schools in the north tend to be better equipped, _________ those in the south are relatively poor.

A.

since 

       B.

before

       B.

while 

       D.

because

08.

It is no accident that men fill most of the top jobs in nursing, _________ women remain on the lower grades.

A.

after  

       B.

since  

       B.

while 

       D.

which

09.

_________ trying to open the can, I cut my hand.

A.

Though

       B.

Because

     B.

For     

    D.

While

10.

Some people prefer a vegetarian diet, _________ others prefer a meat-based diet.

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