试题详情

A computer can only do ________ you have instructed it to do .

If you do it _____ the first time, you wont have to do it again.

You cannot fail to obey it. You can’t to do this.

Do you have access to the internet?

___today. [本题2分] (　　) might do it (　　) must do it (　　) had to do it (　　) must have to do it解答参考：