[ Modal Verbs ]
__________ you need assistance, press the red button.
A. If
B. When
C. Unless
D. Should
Select your answer:
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Vocabulary › ViewThe building was completely ………………… by fire.
A. built
B. constructed
C. destroyed
Tenses › View
We _____ as a flight attendant, but now I don’t because I found this job tiring.
A. use to work
B. used to worked
C. used to working
D. used to work