[ Modal Verbs ]
Certainly, they ___ know we’re coming. Let’s not ruin the surprise.
A. must not
B. could
C. may not
D. have to

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Adverb of Frequency and Past Continuous TenseModals and PrepositionPast Simple, Past Continuous, Past PerfectModals - Conditionals - Future TensesVerb Tense, Pronouns and AntecedentsTimeFuture Tense VerbEssential and Nonessential ClausesPresent ContinuousArticles and PronounsOther quiz:
Gerunds › ViewHe is getting used…………. at night.
A. to work
B. work
C. working
D. to working
Grammar › View
I am sure that this is my uncle’s mobile phone. It is ___________.
A. hers
B. his
C. yours
DEGREE COMPARISON › ViewLinda is as … as her sister.
A. beautiful
B. beautifully
C. more beautiful
D. most beautiful
Grammar › View
The audience _______ after watching the great performance.
A. sang beautifully
B. danced gracefully
C. clapped loudly
D. smiled sweetly
