—How was your dinner date, dear?—Very nice. .
Mr. Smith has been to many famous cities in China, _______ Chengdu has impressed him most.
--How much pepper did you put in the soup?--I'm sorry to say, ____. I forget.
James has put on so much weight recently that his mother has to ______ all his trousers to his measure.
Thank you for sending us ____ fresh vegetables of many kinds. You have done us ____ great service.
Which sentence is wrong?