[ Modal Verbs ]
I was smart before. I … do algebra when I was 8 years old.
A. can
B. can’t
C. could
D. couldn’t

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Future Tenses › ViewI promise I ……………………the secret
A. will keep
B. am keeping
C. am going to keep
D. keep
Future Tenses › View
I think supermarkets ______ as more people shop online.
A. are going to disappear
B. disappear
C. will disappear