相关题目
Those scientists are now carrying out some （ ）on the language of dolphins. They want to find out how dolphins communicate with each other.
The relief workers made a （ ）to the headquarters for more aid.
The students couldn＇t hear the teacher＇s （ ）because they were making too much noise.
According to the weather（ ）, there is a typhoon approaching Taiwan.
Her （ ）to have a date with him made him very disappointed.
He gave her a huge bunch of red roses as a （ ）of his devotion to her.
The changing color of the leaves on the tree is a （ ）that it will soon be fall.
Red roses are often considered a （ ）of love.
It is believed that dragon is an important （ ）of the Chinese people.
The judge announced a （ ）of the baseball game because of the heavy rain.
