--Sally,What'swrongwithyourcomputer?--Idon'tknow

問題詳情：

--Sally, What's wrong with your computer?

--I don't know______. Maybe I need to get someone to check it.

A．what's wrong            B．what was wrong             C．what wrong is

【回答】

A

知識點：動詞時態

題型：選擇題