I_fine,thank you.Aud you?前面的横线上应该填am 还是is 还是are?

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I_fine,thank you.Aud you?前面的横线上应该填am 还是is 还是are?

am

am

am I 是第一人称 be动词用am
he she 是第三人称 用is
you 单复数都用 are
They 是复数用are

am

I_fine,thank you.Aud you?前面的横线上应该填am 还是is 还是are? 关于汇率兑换的题目USD/DEM=1.6874/1.6879AUD/USD=0.7834/0.7839问：AUD/DEM是多少?assume you are holding $1000AUD,are there any arbitrages existing if we follow the path AUD-US-DEM- AUD是什么意思? thank you thank you thank you thank you~ thank you Thank you Thank you Thank you, Thank you Thank You Thank you! THANK YOU Thank you Thank.You thank you