The abrupt change of the climate has drawn __________ worldwide attention to __________ benefit of green energy .

I have some trouble with my English writing. Can you give me some ______

What are you going to do this weekend?—- I don’t know. Igo to Beihai Park.

Where is your father now—He _________ Hong Kong. He _______ there for three days.

It is wise to have some money ________ for old age.