Father I turned on the computer.A. agreedB. agreeingC. agreesD. to agree

问题补充：

Father , I turned on the computer.

A. agreed

B. agreeing

C. agrees

D. to agree

答案：

A. agreed

(答案→)B. agreeing

C. agrees

D. to agree

解析：考查非谓语动词。句意：父亲同意了，我打开了电脑。句意：现在分词表示正在进行的伴随性的动作，和所修饰词是主谓关系，agree是父亲的动作，故选B。