【正文】
silly questions? A,have, interrupted B. had, interrupted , interrupting D. were , interrupting D B C train arrives in New York at 8 o’clock tonight. The plane I would like to take from there _____________(leave) by then. 15.—May I speak to your manager at four o’clock this afternoon? I’m sorry. He ___ to a conference long before then. have gone B. had gone C. Would go D, has gone will have left A 。