[ Tenses & Passive ]
Rubber trees ______ in tropical countries .
A. grow
B. are grown
C. grew
D. are growing

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Perfect Verb TensesWord Form & Verb TenseModals in the PastPast Tense, Recount Text, and Future TenseSentence LabelingElectricity VocabularyLinking Verbs & Helping VerbsModal Verbs for SpeculationSimple Tenses in EnglishAlong & AgainstOther quiz:
Narrative Tenses › ViewWhen I saw Clara, I realized that she ____________ much in all those years.
A. didn’t change
B. wasn’t changing
C. hadn’t changed
Grammar › View
My friends have decided _______ go to Paris next month.
A. to
B. –
Homonyms › ViewThe ___ character in the play is a middle-aged widow.
a. principal
b. principle
Homophones › View
Two of the same things are a
A. Pare
B. Pear
C. Pair
