China set up (发射) Chang’e II _____the evening of 1st October, 2010.
Thanks to better health care, more people are living _____ lives today than before.
The Science Museum is popular because people _____ do experiments there.
In America, you can open your presents immediately. You don’t have to ______!
Too much fast food is bad for us. We should only have it _____.
Our coach is pleased _____ we are playing better as a team now.