is important for us learn computer.A. It toB. It /C. That /D. This to

问题补充：

is important for us learn computer.

A. It, to

B. It, /

C. That, /

D. This, to

答案：

(答案→)A. It, to

B. It, /

C. That, /

D. This, to

解析：考察固定句型。句子句型It is+adj +for sb+to do sth

句意： 对我们来说学电脑是重要的 故选A