[ Present Tenses ]
Children will play wherever they _____ to be.
A. will happen
B. are happening
C. happen
D. happens

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DEGREE COMPARISONPunctuation and GrammarParticipal PhrasesHope, Thank, Modal VerbsAdjective vs AdverbGerund, Infinitive, Bare VerbSentence TransformationKinds of NounsVerb + Infinitive or GerundSimple Tenses in EnglishOther quiz:
Grammar › ViewChristopher Columbus _________ America more than 500 years ago.
A. discovered
B. has discovered
C. had discovered
D. had been discovering
Tenses › View
What is the correct form to express an action that happened in the past?
A. I study English.
B. I will study English.
C. I am studying English.
D. I studied English.
Grammar › ViewLook at ___________ birds flying in the sky.
A. This
B. That
C. These
D. Those
Vocabulary › View
A group in a scientific experiment that serves as a reference for comparison to the experimental group; a group that is untreated by the factor being tested.
A. variable
B. trials
C. control group
D. field study