We went for a walk in the fields，my mother，my son and I．

The sun was shining，the birds were （36）　　；patches of green，big and small，light and dark，formed a beautiful picture on this piece of land in south China．（37）　　of these gave us one thing，the vitality（活力） of life．

My mother and I walked in front，followed by my wife and son．Our （38）　　suddenly shouted out．"A mother and son in front，another mother and son behind．"We all （39）　　．

Later，there were differences between us：My mother was in poor health，and even a short walk would make her feel very （40）　　．So she wanted to take the main road，for it was wide and smooth，（41）　　my son preferred the little path with more interesting things．It was up to me to make the final decision．I tried to work out a win﹣win choice，but （42）　　．Finally，I decided against my son．So，I said，"Let's take the main road．"

But my mother changed her mind．"We'd better take the （43）　　path．You'll have to carry me on your back in places I can't walk across，"my mother said to me．

Then we picked our way along the little path toward the flowers，the trees，and the pond．They were all bathed （沐浴着）in the （44）　　．When we came to a certain place，I crouched （蹲下）down to let my mother get on my back．My wife followed my example and       （45）　　our son．Both my wife and I walked slowly and carefully because we thought we had the whole world on our backs．

36．A．singing	B．falling	C．biding
37．A．Some	B．Most	C．All
38．A．daughter	B．boy	C．student
39．A．shouted	B．cried	C．laughed
40．A．excited	B．tired	C．surprised
41．A．but	B．and	C．so
42．A．passed	B．failed	C．agreed
43．A．little	B．main	C．middle
44．A．moon	B．water	C．sun
45．A．carried	B．encouraged	C．touched．