[ Grammar ]
My sister … her homework right now.
A. Did
B. Is doing
C. Does
D. Do

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Offering HelpVerbs + Gerund or InfinitiveGrammar - to beGerund - to Infinitive Noun, Quantifiers and SuffixesNoun and Modal VerbsPrepositions and ConjunctionsPerfect Tenses and VocabularySimiles and Body IdiomsAdverbial Clause of MannerOther quiz:
Grammar › ViewA __?__ arbiter should be brought in to settle the differences between the owners in the corporation.
A. uninterested
B. disinterested
Present and Future Tenses › View
How often ____________ the students ____________ to the computer lab?
A. do / go
B. are / going
C. does / go
D. is / going