[ Modal Verbs ]
You …………… write on the library books.
A. mustn’t
B. didn’t need
C. couldn’t

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Grammar Phrases › View. “This quiz is harder than the others.” The adjective “harder” is___
A. superlative
B. comparative
Grammar › View
A benefit of sing laptops in the classroom is that they can help students stay ____ and remember school work.
A. organize
B. organizing
C. organized
D. organization
Tenses › ViewMy brother ____ past the post office every morning and I ____ him all week to post a letter for me, but he keeps forgetting, so I’m going to post it myself tomorrow.
A. is going / ask
B. goes / have been asking
C. goes / am asking
D. is going / have asked
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They _____ the museum yet.
A. didn’t visit
B. haven’t visited
C. don’t visit
D. not visited
