[ Lexico and Grammar ]
When we got off the bus, the tour guide told us to _____ of pickpockets.
A. beware
B. warn
C. compete
D. distinguish

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Phrases › Viewwriting
A. (simple) active tense
B. (simple) passive tense
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blame smb … sth
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Grammar › View
– Why are you out of breath?
– Because ______________up the stairs from the bottom floor.
A. I’ve just run
B. I’ve just been running
C. I’ve just ran
