This is the cause _______ the problem A. on B.of C.off D. None of these Answer and Feedback Answer:B do you want? view more test Xem thêm Share this post Some other questions you may be interested in. M16 is the U.S. military designation for a family of rifles that had a field trial in the early 1960s in what war? This American shoe company, that offered a job to basketball player Chuck Taylor, was opened in Malden, Massachusetts in 1908. Tigers are native to what continent? The ampere is a physical unit measuring what? The cross on the Swiss flag is red. How many balls are on the snooker table at the beginning of the game? Is the word fish both a noun and a verb? What bird can be associated with the infectious disease Varicella? What is the missing word in these lyrics taken from a traditional folk song of the Southern United States? What are the lights in our homes wired in?