p125 8번 paul's job is take care of a request from his supervisor
take가 taking,to take로 쓰일수있다 하는데요 take가 동명사와to부정사 모두 목적어로 갖는동사때문인가요??
10번 many people cannot afford the cost of obtain medicalncare without health insurance.
obtain>obtaining 으로 왜바뀌었나요??? 동사가 동명사자리에 와서라서그런가요???
12번while he's an expert in buying stocks, he's not good at know when to sell.
know>knowing로 쓰이는데요 전치사at의 목적어자리에와서ing로 바뀌어서 쓰는건가요??