Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Toxic chemicals in the air and land have driven many species to the ________ of extinction.
A.tip
B.edge
C.verge
D.border

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
You should make a(n) __________ to overcome this problem.
A.trial
B.impression
C.effort
D.apology

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
There are so many _____ names now that it is impossible to remember them all.
A.brand
B.model
C.trademark
D.logo

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Larry was so_______in his novel that he forgot about his dinner cooking in the oven.
A.absorbed
B.attracted
C.drawn
D.obliged

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
“Sorry for being late. I was _______ in the traffic for more than an hour.”
A.carried on
B.held up
C.put off
D.taken after

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Jane wasn't in when I arrived. I suppose she ______ I was coming.
A.can't have forgotten
B.should have forgotten
C.may forget
D.must have forgotten

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
There’s a rumor that the National Bank is going to ________ the company I work for.
A.take over
B.overtake
C.take on
D.take off

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
I can’t tell you the exact amount, but I can give you a ________ estimate.
A.smooth
B.rough
C.tidy
D.similar

Joan eats very little so as not to put on weight.
A.Joan eats nothing to put on weight.
B.Joan doesn't eat much so that not to put on weight.
C.Joan eats very little because she wants to lose weight.
D.Joan eats nothing and she doesn't put on weight.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Poor management brought the company to______ of collapse.
A.the ring
B.the edge
C.the brink
D.the foot