[ Grammar ]
Which modal verb relates to obligation?
A. should
B. can’t
C. don’t have to
D. mustn’t

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Preposition & Gerund › ViewDoctors say children can suffer from _______ video games.
A. play
B. plays
C. playing
D. played
Modal Verbs › View
If they talked, they … become friends.
A. will
B. must
C. might
Grammar › ViewYou are ___________ (beautiful) than ever!
A. uglier
B. prettier
C. beautiful
D. handsome
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We washed _____ when we reached the river.
A. myself
B. ourselves
C. themselves
D. yourselves
