[ Tenses ]
The boys are ________ tennis at the tennis court while waiting for their mother after school.
A. play
B. plays
C. playing
D. played

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Transitive and Intransitive VerbSubject Verb Agreement and Verb TensesNoun PhraseVerb ConjugationRelative & Interrogative PronounsPresent, Past, Present Perfect and ComparativeGrammar - help/have/let/makeLanguage Features: Reflective ArticleModals of Speculation and DeductionPresent Simple Affirmative and NegativeOther quiz:
Time and Calendar › View09:30 = …..
A. nine past thirty
B. thirty past nine
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D. half past ten
Grammar › View
Choose the countable noun.
A. People
B. Sand
C. Salt