From the four words or phrases (A, B, C or D), choose the one that best completes the sentence.
What a dangerous thing to do! You ______ killed!




A.needn’t have been
B.can’t have been
C.must have been
D.might have been

. I don't really like her; even though I admire her achievements. Much ...........................................................................................................




A.
B.
C.
D.

You will never meet anyone more generous than Mrs. Jones. Mrs. Jones ............................................................................................................... .




A.
B.
C.
D.

What does the author say about speech?




A.It is dependent upon the advances made by inventors.
B.It is the most advanced form of communication.
C.It is necessary for communication to occur.
D.It is the only true form of communication.

________(45)




A.convenient
B.free
C.applicable
D.available

________(40)




A.handling
B.controlling
C.doing
D.playing

A.leaves
B.brings
C.looks
D.plays

Since we ____________ to working so hard, can we rest for a while?.




A.don’t used
B.aren’t used
C.don’t use
D.not use

Today many species of plant and animal are in ________ of extinction.




A.danger
B.endangered
C.endanger
D.dangerous

__________(56)




A.over
B.again
C.repeatedly
D.repeating