sound|sounded|sounds|sounding

他昨天在电话里听起来很沮丧。

He ___sounded very depressed when we spoke on the telephone yesterday.

在新闻发布会上，他听起来极其放松。

At the press conference, he ___sounded at his most relaxed.

他听起来非常兴奋！

He ___sounded so excited!

宝宝睡着了，所以请不要发出声音。

The baby is asleep, so please don't make a ___sound.

他们听到房子里传来音乐声。

They heard the ___sound of music coming from the house.

她一动不动地站着，没发出一点声响。

She stood completely still, not making a ___sound.

声音在水中的传播速度比在空气中快。

___Sound travels faster in water than in air.

声音在水中可以传播很远的距离。

___Sound can travel over very large distances in water.

他们能听到远处传来的钟声。

They could hear the ___sound of a bell tolling in the distance.

我知道这听起来很傻，但他走后我会想念他。

I know it ___sounds silly, but I'll miss him when he's gone.

你的工作听起来真的很有趣。

Your job ___sounds really interesting.

你要和三个朋友去滑雪？那听起来很有趣。

You're going skiing with three friends? That ___sounds fun.

警报正在走廊里响亮地响起，警告大家撤离。

The alarm is ___sounding loudly in the hallway, warning everyone to evacuate.