If only the letter ( ) there in time. A. arrives B. is arriving C_英语解答

If only the letter ( ) there in time. A. arrives B. is arriving C.had arrived D.has arrived
答案C 为什么不选Ain time是及时的意思吗?这句话不是说这封信还没送到吗?

人气：254 ℃　时间：2020-03-28 13:45:12

解答

if only 引导的虚拟语气,表示对过去的虚拟.要是信能及时送到就好了