—Tomworksvery   

問題詳情：

—Tom works very    ______ at his lessons. Now he is a top student.

—Really? He has changed so much that I can ______ believe it.

A. hard; hard          B. hardly; hardly

C. hardly; hard        D. hard; hardly

【回答】

D

知識點：副詞

題型：選擇題