That region has a lot of natural resources while this one has ________.

I don’t see ___________ about the photo, ___________.

The boy became fatter and fatter each day and ＿＿＿made his parents sad. 

— How do you usually come to school , by bus or by bike?— _____ . I walk .

I always think that while we are in the world,we should try         .