Only after.... .
A.the teacher understood the situation and did he make a comment
B.understanding the situation the teacher made a comment
C.the teacher understood the situation and made a comment
D.understanding the situation did the teacher make a comment

The new lecturer talks so fast that we often get ____ during class time.
A.lost
B.missing
C.boring
D. far

Mr. Prior did a / an ____ job on his presentation about recycling, inspiring those present to start recycling programs.
A.mere
B.outstanding
C.boring
D.far

From the ____ expression on his mother’s face, Bob realized that he wouldn’t be able to persuade her.
A.tall
B.firm
C.weak
D.hasty

Although Tom eats quite a lot, he is still very ____.
A.skinny
B.muscular
C.well-built
D.round

She felt terribly ____ before the job interview, but once she was in the manager’s office she calmed down.
A.bored
B.nervous
C.shocked
D.surprised

No large ____ lakes are found in the state of South Carolina.
A.natural
B.habitual
C.environmental
D.atmosphere

Although profit is one indicator of success, it needn’t be the ____ one.
A.alone
B.single
C.lonely
D.only

____ opening the supermarket chain, Mrs. Miller had managed a small restaurant
A.Ahead of
B.Beforehand
C.Prior to
D.Previously

As a result of our trip to Hanoi, we were able to forge a partnership with one of our ____ competitors.
A.precedent
B.former
C.last
D.sooner