[ Grammar ]
Bacteria of the harmful kind ______ diseases.
A. cause
B. causes
C. is caused
D. was caused

Random Topics:
Adverb or AdjectiveArticlesPresent Perfect and Present Perfect Progressive TensesPerfect and Past TenseTenses, Determiners & Subject Verb AgreementPast Tense vs Present Perfect TenseSimple, Complex, Compound SentenceModals and AdviceTo Infinitive or GerundPronounsOther quiz:
Grammar › ViewRachel is so lucky. She ………… a mountain bike and a bike for riding on the road.
A. owns
B. is owning
Grammar › View
where would the comma go in the sentence?
Mars is small red and hot.
A. small,red,and hot
B. small,red and hot
C. small red and hot
Grammar › ViewWhat _____ on Saturday?
A. are you going
B. do you do
C. are you going to do
D. do
Article › View
Article ‘An” is used before
A. Vowels and vowel sounds
B. Plural nouns
C. Uncountable nouns
