[ Should, Should not have ]
I __________ ____________ the danger at the beginning. (realize)
A. realizes
B. shouldn’t have realized
C. should have realized
D. should has realized

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Articles › ViewFill in the blanks with appropriate articles (a, an, the).
Sheldon is ___ honest man.
A. a
B. an
C. the
Preposition › View
Which preposition best completes this sentence? “The keys are __ the table.”
A. in
B. on
C. at
D. by
Tenses › ViewShe ______for me when I arrive tomorrow.
A. have been waited
B. will wait
C. will be waiting
D. will have been waiting
Superlative Adjectives › View
Mount Kinabalu is _______ mountain in Malaysia.
A. the high
B. higher than
C. the most high
D. the highest