[ Vocabulary and Grammar ]
she has been waiting for us _____ 3 hours.
A. for
B. in
C. of
D. since
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Modal Verbs › ViewYou….cheat in your exams.
A. musn`t
B. must
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The Milky Way looks beautiful on a clear night.
A. The Milky Way
B. Looks beautiful
C. on a clear night
D. a clear night
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It is ilegal to use certain types of fireworks in many states.
A. certain
B. ilegal
C. states
D. correct
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This is a rare opportunity_______ you should take advantage to get a better jo
A. to which
B. for which
C. of which
D. on which