单项选择(每题1分)We’ve been looking at houses but haven’t found _____ we like yet.
Chicago is on ________ Lake Michigan. There is nothing in the world like ________ Chicago meat industry.
Do you think the reason ________ he gave is believable?
This is an illness that can result in total blindness ________ left untreated.
Paper produced every year is ________ the world’s production of vehicles.
--You should have thanked her before you left. ---I meant _______. But when I was leaving I couldn’t find her anywhere.