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Chinese handwriting is an important part of our culture, so young people are required to _____ handwriting.

Folk music can usually ______ senior citizens because of their experiences.

They are broadening the bridge to ________ the flow of traffic.

Our bodies are ________ by working out. Similarly, our minds are developed by learning.

The discovery of the new drug is of great ____ to people who suffer from heart problems.

The discovery of the new drug is of great ____ to people who suffer from heart problems.

——Does Callum have a new camera?     
——Yes. In fact, it is quite similar ______ yours. 

I       sight of an empty seat at the back of the bus and went directly there.

      is no need      

My son has changed so much that I could hardly __________ his voice on the phone.