[ Causative Verb ]
Epilepsy —- to be caused by poor air, which —- to be carried by the veins to the brain.
A. Is believed / thought
B. Believes / is thought
C. Was believed / was thought
D. Is believing / is thinking

Random Topics:
Conjunctions, Interjections and DeterminersPreposition and AdjectiveSentencesClauses and GerundsTenses and ArticlePronounsPrepositions of Place & TimePerfect Progressive TensesMay, MightComparative AdverbOther quiz:
Sentence Adverbs & Third Conditional › ViewComplete the third conditional sentence: ‘If Alex ________ (study) more, he would have aced the exam.’
A. study
B. studied
C. had studied
D. have studied
Conditional Type 1 › View
If you … study hard, you will not pass the test.
A. Don’t
B. Doesn’t
C. Have not
D. Has not
E. Didn’t
Modal Verbs › ViewYou …………………… buy a bus ticket – I’ll buy one for you.
A. don’t have to
B. mustn’t
C. should
D. need
Gerund & Infinitive › View
My uncle claims…………… (be) the owner of the case.
A. to be
B. being