单项选择。Finishyourhomeworkfirst,andthenyou'll

问题详情：

单项选择。

Finish your homework first, and then you'll ________ surf

the Internet for half an hour.

A．can　　B．need    C．be able to　　D．may

【回答】

C　

知识点：情态动词

题型：选择题