_______ about the universe up till now.

Nowadays, some hot network languages are even in some official media, such as CCTV and People’s Daily.

“______Lucy come from America”“No, she______from America. She’s English.

The hurricane damaged many houses and business buildings; ____ , it caused 20 deaths.

Hello Mum， Are you still on Lushan Mountain—Oh， no. We are back home. We __________ a really good journey.