Q.3. Fill in the blank with appropriate prepositions. (7) a) We solved the problem ___________ a new device developed by engineers. b) Anything __________ the security of students is a matter of great importance. c) She didn’t allow cancer to discourage her. ___________, she began to work twice as hard. d) The visitor was ___________ from one class to another. e) ___________ fire, break glass to escape. f) The government recently passes a law _________ the financial offenders from escaping the country. g) __________, we are impressed with her performance.​