答案是was为什么不是has been
Bob,has yourbrother tony return from ITALY yet?yes,but he 空 here for only a week before his company sent him to SCOTLAND
before his company sent him to SCOTLAND 这是过去 必须过去时 has 是现在完成。
答:before 是过去时,所以必须选过去时态。用was 或者had been详情>>
答:详情>>