The problem was very difficult to handle．We worked it out，__________ ．

The old man was tired and walk more slowly but he home_______.

10,000 dollars is a large sum of money，but it is still ______than we need for a new house

Much to my surprise, the eight-year-old boy       fixed my computer within ten minutes．

Although I majored in English, language _______ became a challenge when I set foot in the USA for the first time.