Grammar Quiz

[ Grammar & Vocabulary ]

Every month, scientists … new gadgets to help us with our daily life.

A. estimate

B. involve –

C. invent

D. experiment

Select your answer:
         


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Future TenseSentences and Non SentencesPrepositionWH Questions and Simple Past TenseModal and Phrasal VerbsPast TensesAction VerbFigurative Language VocabularyPresent Perfect or Past Simple Tense

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