Go and have great fun!I will cope with ______you leave to me properly.—Thanks a lot. 

How amazing it is that astronauts are exploring outer space! -It’s a challenge, I guess, man against nature

The plan __________just because people were unwilling to cooperate

________ it is late, I shall go home now. —- OK, go________.

The humans are destroying nature day by day, ________ of course, will cause severe punishment from it sooner or later.