根据首字母或汉语提示，在答题卡上写出下列句子中单词的完全形式。

Tianjin plans to start a smart city program to deal with t____  jams.

Can you i____  what it would be like to live under the sea?

Teen singers TF boys are popular a____ young people.

Our traditional c____ like Peking Opera should be passed down.

It's reported that China is becoming the s____  most overweight country, just after the US.

Now, you can enjoy ____ （免费的）Wi-Fi in many places.

People like____ （分享）things through WeChat now.

We should always keep an eye on school____ （安全）.

Helping others is the most____ （有价值的）thing in the world.

I ____ （很少）watch movies on my smart phone because it's not good for my eyes.