[ Verb to be ]
They ………. at work.
A. am
B. is
C. are

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Grammar › ViewWhich word below is a conjunction?
A. however
B. into
C. yet
D. picture
Narrative Tenses › View
They ______ for hours in the yard when the rain started.
A. were playing
B. had been playing
C. played
How much and how many › ViewHow ___ water do you drink in a day?
A. Many
B. Much
Grammar and Vocabulary › View
We’re ________ for our flight at the airport.
A. staying
B. traveling
C. waiting