[ Modal Verbs of Certainty and Possibility ]
She must ______ all day because I haven’t seen her.
A. have worked
B. be working
Select your answer:
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Vocabulary › ViewAn incessant noise
A. never stops
B. is super brief
C. is barely hearable
D. is produced electronically
Vocabulary and Grammar › View
Look in the _____________ if you would like a cold drink
A. fridge
B. washing machine
C. cooker
D. armchair