[ Grammar ]
Rinas ____ a test right now.
A. writting
B. writes
C. write
D. is writing

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Opinion / AgreementGrammar-Present Continuous-Sentence MakingWill vs Verb InfinitivesFuture Continuous, Future Perfect and Future Perfect ContinuousComparisionNoun QuantifiersVerb + InfinitivePresent Perfect Tense and Simple Past TenseAdjectives and AdverbsTypes of PhrasesOther quiz:
Future Tenses › ViewGeorge (visit) her sisters on Saturday.
A. will visit
B. is going to visit
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Is this sentence correct or incorrect?
She always is happy
A. correct
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A. correct
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3-D printing ____ complex tools and components.
A. is used for produce
B. is used to produce
C. uses for producing
D. uses to produce
