Spilled coffee had ______ the carpet.

case you __________ the new carpet.

A) crash B) pollute

C) spot D) stain

Please be careful when you are drinking coffee in case you __________ the new carpet.

A) crash B) pollute C) spot D) stain

She had said what ________________(一切有必要说的话).

_______in the office had a mistake, and the firm regretted causing the customer inconvenience.

A) Someone B) Some C) Anyone D) One

__________ seeing the damage he had done, the child felt ashamed.

A) By B) On C) At D) For

What he said just now had little to do with the question ________ discussion.

A) on B) in C) under D) at

I had just started back for the house to change my clothes ___________ I heard voices.

A) as B) when C) after D) while

A.applied

B.demanded

C.owned

D.disagreed

A.took

B.taken

C.take

D.have taken