[ Modal Verbs ]
He ____ have forgotten the meeting; he was very busy.
A. must
B. could
C. might
D. should
Select your answer:

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Grammar › ViewWhere does the semicolon go: My friend was feeling sick. I walked her to the nurse’s office.
A. sick;
B. her;
C. friend;
D. No semicolon needed.
Preposition and Preposition Phrase › View
Well, they concentrated ____ rest, good eating and relaxed.
A. on
B. in
C. of
D. at
