[ Grammar ]
I_____my teacher since February.
A. know
B. knew
C. have known
D. am knowing

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For vs Since-ed/-ing AdjectivesAdverbs and AdjectivesPresent Perfect SimpleVerb Tenses and ModalsModals in the Past - Speculation and DeductionConjunctions and CommasConditional Type 1Present Perfect or Past Simple TenseTo Infinitive or GerundOther quiz:
Mixed General Quiz › View___ or original ideas are welcome in literature and science.
a. Novel
b. Nobel
Verb, Object, Preposition › View
Thank you _______ your support.
A. on
B. for
C. from