Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions from 10 to 21.
I can’t walk in these high-heeled boots. I keep_____.
A.falling over   
B.falling back 
C.falling off 
D.falling out

Underline the words or phrases that best suit for each sentences
We would like ……….to the party, but we weren’t 
A.inviting
B.having invited
C.to be invited
D.to invite

I’ve looked _________ my new pen everywhere and I can’t find it anywhere.
A.at
B.for
C.up
D.on

The word "marked"in line 4 is closest in meaning to 
A.fortunate
B.understandable 
C.mysterious
D.pronounced

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
You shouldn’t work all the time. It ______ you good to go out and enjoy yourself sometimes.
A.gives
B.does
C.helps
D.brings

Choose the best answer to the following questions.
For the 800 metres race, you have to run around the............ tiwce.
A.course
B.court
C.track
D.ring

IV. Choose the underlined words or phrases that are not correct in standard written English.
There was (A) so many (B) traffic that it took (C) me an hour to get (D) to the office.
A.was 
B.many 
C.took 
D.to get

.........(24-sell)
A.has sold
B.is selling
C.sold
D.had sold

For which of the following reasons can natural pollutants play an important role in controlling air pollution?
A.They have existed since the Earth developed.
B.They occur in greater quantities than other pollutants.
C.They're less harmful to living beings than other pollutants.
D.They function as part of a purification process.

_______(48)
A.off
B.up
C.over
D.away