There are three girls in the room, ________ is Tom's sister.
The last thirty years _____ the greatest number of laws stopping our rights and progress. Until today we have reached a stage _____ we have almost no rights at all.
With prices rising sharply, we now have to spend _______ three months ago on basic living materials.
---- I’m so sorry that I made your computer stop working.---- _______. I can repair it myself.
When he was in high school, he made up his mind to _____ membership in the Party.
The ambulance was just arriving, for a worker, who ______ the window on the second floor, fell off the window.