-What do you think of the hotel?

- It's great! It can provide us ____ hot water even at night. And it can also provide food ____ us any time.[ ]

A. for; for        

B. with; with      

C. with; for      

D. for; with

教师观察技能的提高主要靠经验积累，教育学和教育心理学知识在这方面的作用不大。