You will find useful to learn even a little English.A. itB. it wasC. thatD. this

问题补充：

You will find useful to learn even a little English.

A. it

B. it was

C. that

D. this

答案：

(答案→)A. it

B. it was

C. that

D. this

解析：宾语为动词短语也可用it来代替，真正的宾语写在句尾用to do 的形式，故选A。