If only the letter ___________ there in time!
If only the letter ___________ there in time!
A、arrive
B、is arriving
C、had arrived
D、has arrived
【正确答案】:C
【题目解析】:句意:那封信要是及时送到那里就好了!  if only意为”要是......就好了“,本题考查虚拟语气。
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