單項選擇。Finishyourhomeworkfirst,andthenyou'll

問題詳情：

單項選擇。

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　

知識點：情態動詞

題型：選擇題