[ Present Perfect and Simple Past Tense ]
My parents _________ (help) many homeless people so far.
A. helped
B. has helped
C. helping
D. have helped
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Vocabulary & GrammarPassive Modals in Different TensesGrammar and Sentence StructureModal Verbs for Permission and ObligationTenses and Word FormationArticles with Proper NounsSimple and Past TensesVerbsConjunctions, Prepositions and InterjectionsPresent Simple & ContinuesOther quiz:
Modal Verbs › ViewMary ……. not finish her assignment on time because she was ill.
A. can
B. could
Verb Tenses › View
The students _____ many questions about rain forests.
A. ask
B. asking
C. asks
D. askes