Choose the word or phrase that best completes the sentence.
Halley’s Comet had its first documented sighting in 240 B.C. in China and _____ it has been seen from the Earth 29 times.
A. after
B. because of
C. since then
D. that is
Random Topics:
Grammar and Verb TensesUse of Prepositions or ConjunctionsNoun PhrasesIn/On/At + TimeModals for DeductionAdverbs of DegreeComparatives and Past Perfect TenseConjunctions & Cohesive DevicesAdverbs, Modals, Preposition of timeSentence Adverbs & Third ConditionalOther quiz:
Grammar and Verb Tenses › ViewWhich verb tense is used to convey an action that will occur after a certain point in the future?
A. Present tense
B. Past tense
C. Future tense
D. Perfect tense
Grammar › View
Read the following informational text and summarize it: “The Great Wall of China is one of the most famous landmarks in the world. It was built to protect China from invasions.”
A. The Great Wall of China is a famous landmark built for protection.
B. The Great Wall of China is a modern tourist attraction.
C. The Great Wall of China is the longest wall in the world.
D. The Great Wall of China is located in Europe.
Grammar › ViewWhich is correct?
A. Several have lost his job.
B. Several have lost their jobs.
Grammar › View
I often ___ the floor.
a. put away
b. sweep
c. cut