The newly-discovered star was named _____a Chinese astronomer _____ honor of his contributions to astronomy.

______ helping the situation, you’ve just make it worse.

__________ the crisis of economy getting more and more serious, the government is searching for ways to improve people’s life.

Yifu library was named ______ a businessman devoted to China’s education.

After the heavy rain, the level of the lake rose ___ 1 meter ___ 8 meters.

——The weather is too cold ____ March this year.
——It was still ____ when I came here years ago.

_____ being fun and good exercise, swimming is a very useful skill.

During World WarⅡ, Japan attacked Pearl Harbor without declaring war _____ America.

We sailed for 2 months and finally the land was _____

    your moving out of the twenties, we are giving you a marvelous birthday party.