Topics: Modal Verbs
Which modal verb expresses certainty about a payment? ‘I’m sure Susan has paid the phone bill. Susan ______ have paid the phone bill.’
A. must
B. can’t
C. needn’t
D. might
Select your answer:
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Grammar › ViewThe Comache were the _______ skillful hunters of all the groups.
A. more
B. most
Tenses › View
I (talk) on the phone when they brought me the letter.
A. talked
B. was talking