完成句子：根据各小题A句的意思完成B句，使两句的意思基本相同。每空限填一个单词。 1. A: The lazy boy usually doesn't go to school on time. B: The lazy boy is usually ________  ________ school. 2. A: I find that it is hard to get along well with all my classmates. B: I find _________  _________ to get along well with all my classmates. 3. A: This question is difficult enough for me to answer in such a short time. B: This question is ________ difficult ________ I can't answer it in such a short time. 4. A: Mike is 17 years old and Kate is 15 years old. B: Kate is two years ________  ________ Mike. 5. A: Xiaogan has changed a lot in the past few years. B: Great changes have ________  ________ in Xiaogan in the past few years. 6. A: Mr Smith came to China six years ago. B: Mr Smith ________  ________ in China for six years.