[ GRAMMAR - Could / Could not ]
The band ___________ at the concert because the singer was ill. (not perform)
A. could perform
B. couldn’t perform
Select your answer:

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Auxiliary Verbs (be, do, have) › ViewI realised that I ________ learned a thing
A. didn’t
B. wasn’t
C. hadn’t
Grammar › View
Practice more and more ___ you can never speak English fluently
A. and
B. or
C. in case
D. if
