用所给单词的正确形式填空。（本题有10小题，每小题0.5分，共5分）
If you want to                 (success) in passing the exam, you have to work hard.
The doctor told me that it was                      (help)to eat vegetables.
He was too                   （sleep）to open his eyes.
We all know the                          (important)of learning English.
Without my                   ( permit), don’t take my things．
The old man gave lots of money to _________________(medicine) research.
Mr Li’s                  （speak）English is very poor.
Nobody wants to be friends with a __________________ man. (honest)
You should pay more attention to            (practice) your written English.
Amy is one of the most successful language _____________ (learn).