Tom and Mary _______ to China last month.

The number of people in the world ________ about 6 billion and large quantities of waste ________ each year.[ ]

________ are crazy about listening to pop music in their spare time.

Was it in the village ______ he was born ________ the talented journalist met the retired professor?

下列对“吾人咏歌，独惭康乐”中“独惭康乐”的理解，正确的一项是（ ）