difficult
- ________ that I was puzzled.
- ________was difficult to save the places and buildings _____destroying their old beauty.
- Excellence is not difficult —simply decide right now to give it your best shot—____you will be amazed with ___ life gives you back.
- He is rather difficult to make friends with, but his friendship, _____, is more true than any other.
- Jack, I’m afraid I’ll turn to you．I think chemistry is _______ physics．
- So far as English is concerned,it is not______ you might think.
- It’s difficult for me____ an English letter.[ ]
- He found it difficult to hand ______ his homework tomorrow. [ ]
- The book is the most difficult ______ the three. [ ]
- It’s difficult for people to walk _____ the forest at night.[ ]