Vienna,the capital of Austria,is the River Danube and The Blue Danube is Strauss.
TFBOYS’ songs ________ sweet and many of us like listening to them.
________ girl called Mary is my best friend and she is ________ honest girl.
—The food here is very nice.Thank you for inviting me. — _____ I’m glad you enjoyed it.
— Kitty, do you know ______? — Sure, about forty minutes.
The mobile phone has changed people’s life a lot ________ it was invented.