[5] 1. Jessica managed to finish her task. 2. I tried visiting that website, but I found it was not so interesting. 3. That furniture is too expensive to pay for in cash. 4. Anthony is used to searching the database. [6] 1. He (admitted forgetting to lock the door) of the house. 彼は家のドアに鍵をかけるのを忘れたことを認めました。 2. You (are old enough to decide) for yourself. あなたは自分で決められる十分な年齢です。 [7] 1. A: I'm tired of (watching) TV. I want (to) (do) something else. B: How about (going) out to karaoke? 2. A: Do you think this river is dangerous (to) (swim) (in)? B: Yes, I do. What do you say (to) (swimming) in the pool?