I think English is ______ useful language, and it’s also ______ important language.
I don’t know________. Because he has to look after his mother.
Where are you going this month? We_________ go to Xiamen, but we’re not sure.
What languages ________ in that country? German and English.
Why not go to Lao She Teahouse tonight?
________ I got back, I found my mother cooking for me.