The thought of going back home was _______ kept him happy while he was working abroad.

I feel my stomach terrible.I think I ate _____at lunch time .

Low-carbon lifestyle is of great benefit to improve the world environment. _______ can be enjoyed from it until you have a deep under, standing of it, however. 

I did not accept any of the many offerings,because I found_____satisfactory.

—— Few children are as bright as he is, and also, he works very hard. —— It’s no ＿＿＿＿＿ that he always gets the first place in any examination.