After hard work he felt tired to walk.A. soB. toC. tooD. Very

问题补充：

After hard work, he felt tired to walk.

A. so

B. to

C. too

D. Very

答案：

A. so

B. to

(答案→)C. too

D. Very

解析：句意：经过艰苦的工作之后，他感觉太累了而不能再走了。固定短语too……to ……太……而不能……。故选C