[ Present Perfect & Past Simple Tense ]
We ______ last week. We ______ here for 5 days.
A. arrived/ were
B. have arrived/were
C. have arrived/ have been
D. arrived/ have been

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Articles › View_____ river is very polluted. Do you think we can clean up _____ river?
A. The / a
B. A / the
C. The / the
D. A / a
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Barbara celebrated ……………….. (win) the TV contest.
A. to win
B. winning