[ Comparison & Modal Verbs in Passive Voice ]
The medicine ________ at a high place where the children can’t reach.
A. must be kept
B. must keep
C. must be keeping
D. must not keep

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Countable Vs Uncountable NounsCountable & Uncountable NounsSpeculation with Modal VerbsSimple Present - WH QuestionsPreposition and Preposition PhraseLanguage Features: Reflective ArticlePast and Past ContinuousTenses StructurePresent Simple/AffirmativeBasic TensesOther quiz:
Vocabulary › Viewdo something together or with others
A. Interact
B. Intent
C. Imply
D. Incorporate
Coordinating and Subordinating Conjunctions › View
He can speak English so / and Spanish fluently, but / or his French is not so good.
A. SO, BUT
B. AND, OR
C. SO, OR
D. AND, BUT
Grammar › ViewChoose the word(s) OPPOSITE in meaning to the underlined word(s) in the following question.
Public service announcement is a special advertisement for the community, normally about health or safety matters
___
A. Open
B. Private
C. Secret
D. Popular
Past Tenses › View
Larry _________ Daniela to marry him after they had been together for three years.
A. had asked
B. was asking
C. asked
