821. Oxygen can be mixed with __ gasses such as Hydrogen, Nitrogen, and Chlorine.
A. another like
B. another
C. the other
D. other
822. The man __ wallet was stolen called the police.
A. who
B. whose
C. whom
D. which
823. The market is nearer to them than __.
A. we
B. our self
C. us
D. ourselves
824. He takes his turn, and she takes __.
A. her
B. hers
C. herself
D. himself
825. If I had had money, I __ it yesterday.
A. would purchase
B. would purchased
C. would have purchase
D. would have purchased
826. Kate, accompanied by her brother, __ at the party.
A. is
B. are
C. was
D. were
827. Ali was warned _ the danger quite in time.
A. of
B. about
C. against
D. by
828. She is very keen _ going abroad, for higher studies.
A. at
B. on
C. for
D. over
829. She (never) comes late. The word in brackets is a/an:
A. Noun
B. Verb
C. Adverb
D. Article
830. The criminal is accused _ theft.
A. with
B. by
C. of
D. for
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