[ Grammar ]
I had been waiting an hour ….. the bus arrived.
A. after
B. before
C. until
D. since

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Articles › ViewI need to buy ___ milk from the store.
A. few
B. some
C. many
D. all
Grammar › View
If you __________more information, please telephone our main office.
A. needed
B. to need
C. need
D. will need
