only too ready to help others, seldom, ______,refusing them when they turn to him

Excuse me, sirWould you do me a favor?—Of courseWhat is it?—I ________ if you could tell me how to fill out this form

Not only ____interested in a football but____beginning to care about it

Would you like __________ orange juice—No, thanks. There is __________ in my bottle.

I have made greater progress in English, and my teacher inspired me to keep it.