[ 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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A. a
B. an
C. the
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You __________ go through customs when you enter a new country.
A. must not
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C. must
D. don´t have to
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A. have been waited
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Mount Kinabalu is _______ mountain in Malaysia.
A. the high
B. higher than
C. the most high
D. the highest