Use a ___ to move heavy objects from one level to another.
PrepositionsIndirect QuestionParts of SpeechTransition WordsPrepositions and Prepositional PhrasesGrammar - TOEICVerb to beConditional Sentences Type I, IIPossessive Nouns
Other quiz: Grammar
Scientists have found that people who are active at a moderate level experience a long list of health benefits and that physical activity —- vigorous.
A. has to be
B. must be
C. needn’t be
D. had better be
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