[ Tenses ]
They ____ for a few minutes before the rest of the group arrived.
A. Are talking
B. Have been talking
C. Had been talking
D. Had waited

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Tenses › ViewComplete the sentence with the correct verb form: Yesterday, I _____.
A. help
B. bring
C. gave
D. helped
Grammar › View
I have to have this report finished _____.
A. By Friday
B. Until Friday
C. Friday before
D. Since Friday
. She was very upset because she _______ the opportunity to visit the museum when it was still open.
A. missed
B. had been missing
C. had missed
D. was missing
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My mother-in-law is _____ at our house this week.
A. stay
B. staying
C. be staying