【单选题】—Come and join us, Jimmy! —I’m sorry, but I’m really busy now. If I time, I would certainly go. [ ]
【单选题】— Come and join us, Jimmy!— I’m sorry, but I’m really busy now. If I time, I would certainly go.A
A.
— Come and join us, Jimmy! — I’m sorry, but I’m really busy now. If I ____time, I would certainly go. A.have
【单选题】I'm sorry I'm busy now. If I have time, I ________ to the zoo with you. [ ]