How do you feel when you watch the national flag go up–It makes me very proud.

Is there any flight to Tokyo today ?—I think there __, for the weather is too bad.

Only when _______ 30 years old ______ to learn English.

It’s ______ to make milk shake than to make jiaozi.

I ran across a car crash in Hong Kong, and ________, both sides just politely exchanged the telephone numbers and cards, a surprise to me