[ Grammar ]
Schizophrenia________by genetic predisposition, stress, drugs, or infections.
A. May be triggered
B. May trigger
C. May be trigger
D. May triggered

Random Topics:
Modal Verbs for PossibilityFuture - Will and Be going toSimple Past TensesAdjectives or AdverbsReported speech (statements)Modals "Should"Modals, Conditionals, and Clauses- Defining, Non-definingSimple Past Tense (was/were)Apostrophe GrammarSimple Past Tense and Present Continuous TenseOther quiz:
Adverb of Manner › ViewIdentify the adverb of manner:
The girl ran quickly through the rain.
A. ran
B. quickly
C. rain
Quantifiers › View
_______ students passed the exam.
A. Hardly any
B. Not much
C. Not