请问您能帮我拿一下这个行李箱吗？

I ___wonder if you could help me with this suitcase?

不知您方便时能否给我打个电话？

I ___wonder whether you could give me a call when you're free.

我想请教一下，您对附近有什么好的餐馆推荐吗？

I was ___wondering if you had any suggestions for a good restaurant nearby.