He developed ________ deep interest in insects when he was at________age of 8

I have no ______ to the plan, so long as itwill not cost too much.

How happy we are! The holiday we have beenlooking forward _______ at last.

Well，I do think the ipod is smart，convenient and intelligent．-________．

More and more people are willing to ________ part of their incomes to school children in the poverty­stricken areas.