[ General Knowledge ]
The seismograph is most useful for studying earthquakes because it can……
A. Stop an earthquake
B. Cause volcanoes
C. Prevent an earthquake
D. Measure the intensity of vibrations

Random Topics:
Comparatives, Superlatives, and ModalsSubject Verb Agreement & Subjunctive MoodCompound Nouns and Compound Adjectives QuestionsPreposition and AdjectiveDo / Have / Can - Basic QuestionsModal Verb, Passive VoicePrepositions of Time & PlacePassive Modals in Different TensesPresent TensesPresent Simple ProgressiveOther quiz:
Future Tenses › ViewLook that those black clouds! It __________.
A. is going to rain
B. will rain
C. will be raining
D. are going to rain
Preposition of Time › View
We have toasts for breakfast _____ the morning.
A. in
B. on
C. at
Time Clause › ViewI will come and see you _____________.
A. when I was finishing my homework
B. as soon as I have finished my homework
C. until I finished my homework
D. after I had finished my homework
Narrative Tenses › View
I __________ (study) for hours before I finally __________ (understand) the concept.
A. studied, understood
B. was studying, understood
C. had studied, understood
D. had been studying, understood
