His writing is so confusing that it's difficult to make out ________ it is he is trying to express.(2011·安徽,33)
Ted came for the weekend wearing only some shorts and a T-shirt,___is a stupid thing to do in such weather
The prize will go to the writer___story shows the most imagination
I___through that bitter period without your generous help
It___be the postman at the door.It’s only six o’clock
I___sooner but I didn’t know that they were waiting for me