The p__ is the most important problem of the world today填什么

The p__ is the most important problem of the world today填什么 Petrol is the most important p__ of many Middle-East countries the important p__ is to work hard The nurse is p__＿＿ with the patient. The p__ Earth is our home.We should protect it. Look,Gao Shan is p__ apples in the tree. Is there anything special in the p__ of your clothes Can you play the p__? The most attract1ve is the most dangerous the most hypocritical and most unreal is How many p__ does the passage have? The dog bit me,I felt p__ It is p__ for us to finish the work before 5 o'clock This is enough for the growth of tree,p__ and humans Oath is the most beautiful feeling is the most important Where is the moment needed the most Some people think the cost of a hobby is not as importamt as the p__ it give