We will work ____ we are needed.
I was going to offer you some money but there’s _________ left on me.
Children under 12 years of age in that country _________ be under adult supervision(监管)when in a public library.
---–Who is the girl standing over there? -----Well, if you _________ know, her name is Mabel.
Because I’ve something important to do, I can’t come to see you this evening, ____ I’d like to.
. –Have you finished designing a dress? --________ finished but there’s still something to improve.