It’s impossible for us ____ there on foot in two hours.

Having tried hard several times, they finally _____ the hope of finding an effective way to save the dying man. [ ]

Firefighters warned that the change in the weather might ________ new fires.

Catherine Ⅱ had the Amber Room moved to a palace outside St. Petersburg __________ she spent her summers.

MrSmith is one of the ____ customers to our restaurant