...hat despite running down some 1,000 leads, investigators still haven't come up with "credible information" concerning Paddock's motive.… …Paddock reportedly rented out hotel rooms or condos overlooking other events in Chicago, Boston and Las Vegas before checking into the Manda...
By the end of this year, he________(teach) for thirty years.By this time next year, we________(do) business with each other for 10 years.请问老师以上两句用将来完成进行时或者将来完成时都对吗?