15. We admired the Japanese __ the city of Fukushima after the disaster. A. to being rebuilt . B. for having rebuilt C. to rebuild having rebuilt D. 16. They didn't forget __ a short vacation in Cuc Phuong National Park last year. A. being spent B. having been spent C. to spend D. having spent 17.I don't really __ the point of taking the exam when you are not ready for it. D. take A. annoy B. have C. see of

15. **B. for having rebuilt**<br /><br />The sentence describes admiration for an action already completed. "For having rebuilt" correctly expresses this completed action in the past.<br /><br />16. **D. having spent**<br /><br />The sentence indicates a past action completed before another past action (forgetting). "Having spent" is the perfect participle, showing the prior completion of the vacation.<br /><br />17. **C. see**<br /><br />The sentence means the speaker doesn't understand the reason or purpose. "See the point" is an idiom meaning to understand the reason or purpose.<br />