I'm finding it hard to concentrate on my work!请问这个it 是不是代替i 英语中还有其他例子吗谢谢

I'm finding it hard to concentrate on my work!请问这个it 是不是代替i 英语中还有其他例子吗谢谢 i was having a hard time finding it until you came along.为什么find加ing 英语翻译歌词如下：Wait,I'm wrongShould've done better than thisPlease,I'll be strongI'm finding it hard to resistSo show me what I'm looking forSave me,I'm lostOh Lord I've been waiting for youI'll pay any costSave me from being confusedShow I'm finding a game! It's the .Please help me ~~~~! Thanks for you! i finding a good job 还有Working hard I'm()my newpen .But I can't()it.A.looking for;find B.look for C.finding;look for D.finding;looking for. You know I can't smile without You know I can't smile without youI can't smile without youI can't laugh and I can't singI'm finding it hard to do anything You see I feel sad when you're sadI feel glad when you're gladIf you only knew what I'm going t 这首是什么歌啊（歌手和歌名）You know I can't smile without you I can't smile without you I can't laugh and I can't sing I'm finding it hard to do anything You see I feel sad when you're sad I feel glad when you're glad If you only knew 这首是什么歌啊（歌手和歌名）You know I can't smile without you I can't smile without you I can't laugh and I can't sing I'm finding it hard to do anything You see I feel sad when you're sad I feel glad when you're glad If you only knew 这首是什么歌啊（歌手和歌名）拜托各位大神You know I can't smile without you I can't smile without you I can't laugh and I can't sing I'm finding it hard to do anything You see I feel sad when you're sad I feel glad when you're glad 英语翻译Can’t Smile Without You - Le>的歌词 歌曲名:Can’t Smile Without You - Le 歌手:立威廉 You know I can't smile without you I can't smile without you I can't laugh and I can't sing I'm finding it hard to do anything you see I fe I'm finding spanish quite difficult 英语翻译You know I can't smile without youI can't smile without youI can't laugh and I can't singI'm finding it hard to do anythingYou see I feel sad when you're sadI feel glad when you're gladIf you only knew what I'm going throughI just can't s It’s really hard to tell you I’m It’s really hard to tell you I’m It’s really hard to tell you I’m I was having a hard time ____ it until he came hereto find可以吗?若不行请分析一下 .finding呢? i was having a hard time finding it until you came along.怎么翻译这句,然后along什么意思在这个句子