Somebody is waiting outside.He wants tosee you.—________ no one knows I’m here.

Only those who have the patience todo simple things perfectly ever _________ the skill to do difficultthings easily.

Nanjing isn’t so large __________ Shanghai,however, it’s the second __________ city in East China.

To show our respect，we usually have to take our gloves off ________ we are to shake hands with.[ ]

I don’t think the situation has reached the point ______we have to give up[ ]