[ Preposition and Word Form ]
It is said that adults are often immune ________ such diseases as measles, whooping coughs, or mumps.
A. at
B. off
C. over
D. to

Random Topics:
Linking Verbs and TensesSubordinating Conjunctions and ClausesPresent Perfect Simple and ContinuousInterjection & Prepositional PhrasesIdentify The TensesFuture Tense VocabularyPast PassiveGrammar - Place and MovementLinking Verbs & Helping VerbsProgressive TensesOther quiz:
Grammar › ViewIdentify all the nouns in the sentence.
Billy helped his mom bake cookies.
A. mom, cookies
B. Billy
C. helped, bake
D. Billy, mom, cookies
Tenses › View
Convert the sentence to present tense: I finished my homework yesterday.
A. I finishing my homework yesterday.
B. I finished my homework now.
C. I finish my homework yesterday.
D. I finish my homework tomorrow.