[ 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 › ViewI’m sorry I forgot our anniversary. I promise I’ll make it __ __ you.
A. up to
B. out
C. up
D. up for
Grammar › View
Margie just called and said she would be here at 8 o’clock. By the time she gets here, we —- for her for two hours.
A. will be waiting
B. will have been waiting
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