[ Grammar ]
Louis Pasteur was a French scientist _____ studied microbes.
A. who
B. which
C. whose
D. when

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Past Perfect TensePast Continuous Tense & Past ModalsPaired ConjunctionMust Vs Have toUsed toSuffixes and TensesArticles - rulesModal Verbs & Time PrepositionsWord Form & Verb TenseFuture Simple TensesOther quiz:
Subject Verb Agreement › View. Mathematics (is / are) an interesting subject.
A. is
B. are
Grammar › View
I …………………………………. (think) you should sell your car. You do not use it very often.
A. think
B. thinks
C. is thinking
D. am thinking
