4) Match the phrasal verbs from the article with their definitions a-g. a) to investigate 1)to turn out b) to happen 2)to stay up c) not sleep 3)to look into d) to continue doing something 4)to tidy up e) to get some information 5)to keep on f) to put something where it should be 6)to find out g) to think of 7)come up with