Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions
They asked me a lot  of questions,     I couldn’t answer.
A.most of which
B.of which most
C.most of that
D.of that most

Politics ___ a constant source of interest to me.
A.is
B.am
C.be
D.are

How many states in the United States ___ with the letter “A”?
A.begin
B.to begin
C.beginning
D.begins

That you take a computer course ____ very necessary.
A.am
B.have been           
C.are 
D.is

Whoever ___ at the door, don’t open it.
A.knock
B.knocks
C.to knock
D.knocking

The news about the earthquake in Philippines ___ on radio several times so far.
A.has already broadcast
B.has already been broadcast
C.will already broadcast
D.already broadcasts

One of the girls who ___ in this department now ___ my niece.
A.have worked/ is 
B.work/ are
C.is working/ is
D.worked/ was

A large number of the applicants ___ .
A.has already been interviewed
B.have already been interviewed
C.already has been interviewed
D.already have been interviewed

This pair of scissors ___ dull.
A.am
B. is
C.are
D.was

Some people ___ difficulty with the lecture, but most ___ it clearly.
A.has / understand
B.have / understand
C.have / understands
D.has / understands