Mark the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction in each of the following questions.
We educate our children as well as we can, because an educational population is the key to future.




A.as well as
B.because
C.educational population
D.to

“Excuse me, is anybody sitting here?” "_______"




A.Sorry, the seat is taken
B.Yes, I am so glad
C.No, thanks
D.Yes, yes. You can't sit here

Your grades are coming down. You should try to ______the other students in your class.




A.get out of
B.get along with
C.keep away from
D.keep up with

In all probability, he is coming.




A.Undoubtedly, he will come.
B.He is coming very soon.
C.He is very likely to come.
D.He is bound not to come.

A “calamitous” tsunami in the last paragraph is one that is______




A.at fault
B.expected
C.disastrous
D.extremely calm

The paragraph preceding this paragraph most probably discusses______




A.underwater earthquakes
B.storm surges
C.tides
D.tidal waves

Where in the passage does the author mention movements of ocean water other than those caused by tides?




A.Paragraph 1
B.The first and second sentences of paragraph 2.
C.The third and fourth sentences of paragraph 2.
D.The last two sentences of paragraph 2.

_______(49)




A.stay
B.keep
C.maintain
D.hold

It can be inferred from the message that Alexander Fleming_______




A.isolated infectious patients
B.discovered moldy cheese
C.suspected medicinal properties of mold
D.enjoyed eating cheese

Mark the letter A, B, C, or D on your answer sheet to intricate the correct answer to each of the following questions
The house that we used to live in is in a very ______ state.




A.negligent
B.neglected
C.negligible
D.neglectful