[ Grammar ]
They _________ the exercises every day.
A. is
B. do
C. did
D. does

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Modals of Necessity and SuggestionNouns - Word Form-IONSentences vs Run-OnsModals Deduction: cant /mustTenses PracticeGrammar (Adjectives)Modals and InversionAll, Both, Neither, None, EitherGrammar - Wh QuestionsPositive and Negative ConnotationsOther quiz:
Vocabulary › ViewThey are healthy. They do morning ______ every day.
A. exercise
B. lesson
C. period
D. school
Active vs. Passive Voice › View
Were the questions completed?
A. This sentence is “Active.”
B. This sentence is “Passive.”
When you are on duty (đang trực), your uniform ……………..at all times
A. must be worn
B. must wear
C. must have worn
D. must have been worn
Vocabulary › View
Find the synonym of observer.
A. veto
B. chronic
C. spectator
D. mimic
