[ Vocabulary and Grammar ]
she has been waiting for us _____ 3 hours.
A. for
B. in
C. of
D. since

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Tenses › ViewIf we ___ lucky, we ___ to Paris.
A. will be; go
B. are; will go
C. are; are going
D. will be; will go
Grammar › View
Listen! Your mobile phone ______.
A. Rings
B. Is ringing
C. Ringed
Which word is spelled incorrectly?
It is ilegal to use certain types of fireworks in many states.
A. certain
B. ilegal
C. states
D. correct
Grammar › View
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
