单选题 I suppose when I come back in ten years' time, all these old houses ______ down.
A．will have been pulled B．will have pulled
C．will be pulling D．will be pulled

【正确答案】 A
【答案解析】[解析] 本题考查的是将来完成时的用法。本题为当10年以后我回来时老房子已经被拆除，故应选用将来完成时态。英语中表达将来完成时的句式为“will+have done”，而房子被拆应用被动语态。故选A。