[ Grammar ]
If we ______ a practical point of view, then the most important property of the rays is the production of physiological effects on the cells of the human organism.
A. are taking
B. take
C. takes
D. to take

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Mixed ConditionalsModals and Comparative SuperlativeAdverbSimple Present Tense vs Present Continuous TenseGrammar - to bePresent Simple and Present Continuous TensesAdjectives with -ED and -INGAdverbs, Infinitives, Definite ArticleIF CLAUSEGerund - to InfinitiveOther quiz:
Grammar › View____ is an honest woman
A. he
B. she
C. it
D. you
Modal Perfect › View
_____ you be in Rome tonight.
A. Will
B. May
C. Might
D. Maybe
Present Tense › ViewShe _____ to England three times.
A. having been
B. has been
C. have been
D. had been
Grammar › View
Jenny is fond ____ kittens.
A. by
B. in
C. of
D. for
