It is clear that the whole world is passing through a social revolution in which a central _____ must be taken by scientists and technologists.
Old Richard,ill so long, is losing his memory and needs to be attended to.
Women at that time were ________ the right to vote because they were not treated equally as men.
It’s too late to set out to see a film now. _________, we have a lot of homework to do.
________ it rain tomorrow, we would have to put off the sports meeting.
I’ve had enough of my neighbor. I’m going to ______ their noisy parties right now.