一 When did the computer crash?一 This morning, while Ithe reading materials downloaded from some websites.

____ in the United States, St Louis has now become the 4th largest city.

Your sweater looks nice. Is it wool—Yes, it is.

made Bill so angry— _____ His girl friend promised to comeat 8:30, but she hasn’t come yet

What do you think of Tom’s playing football—— I think he plays football ______ , if not better than, Jack