1. Half an hour went by,半个小时过去了，go by时间流逝 but the last bus has not come.So we had to foot it home.
2. Mary looks worried about the Chinese test, because she hasn't learned the test by heart.learn...by heart记住，记牢，记熟
3. Now that the basketball match has been postponed,使延期，使延缓 we may as well 不妨visit the museum.
4. In the second world war, he has all the way lived in Australia with his parents.
5.I graduated from Nanjing University since 1987,I kind of losing touch with my schoolmates.kind of有可以说的意思还有有点的意思
