Q1). I suggest consulting a lawyer before signing a contract.
A. No, I don't want to work in consulting.
B. Yes, that's what I'm planning to do. -- CORRECT
C. He studied international law.
Q2). Have you ever used this kind of machine?
A. The new copiers are great.
B. Yes, a couple of months ago. -- CORRECT
C. I've never seen an arrangement like this.
3). When can you deliver the order to our warehouse?
A. By the end of the week. -- CORRECT
B. By courier would be fastest.
C. It's on Main Street by the docks.