[ Grammar ]
Mom knocked on the door but nobody answered.
A. Adverb
B. Adjective
C. Conjunction
D. Noun

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ModalsAdverb of TimeAdverbs, Modals, Preposition of timeTake or PutVerbs - third personLanguage Features of an Opinion ArticleTenses and ConclusionsConditional Sentences Type 0, 1 and 2Academic VocabularyQuantifiers & Modal VerbsOther quiz:
Farther vs. Further › ViewThe police may need to investigate … before they can make an arrest.
(a) further
(b) farther/further
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My parents _____ me stay up late last Friday night.
A. lets
B. let
C. letting
D. let’s
Modal Verbs › ViewYou ________ wash your hands.
A. mustn´t
B. must
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Tina is holding a map. She __________ be lost.
A. should
B. might
C. can’t
