Is ______ true that the famous scientist will give us a lecture on how to predict earthquakes next week?

--- Jack will come to see you next Friday. Do you prefer the morning or the afternoon?--- ________, the evening would be better. You know, everyone will be free then. 

Each new way of looking at a situation deepens our understanding and makes ______ easier to discover new possibilities.

–What do you think of the lecture?--____but interesting, but I’ve managed to survive it.

Gender imbalance has become a serious problem in China, _______ the Chinese government is giving serious thought to.