根据汉语意思在空格内填入适当的词，使句子完整

幸亏，杰克逊先生，一个非常好的潜水员，看见了所发生的事。

________, Mr Jackson, a very ________ ________, saw ________ was happening.

根据汉语意思在空格内填入适当的词，使句子完整

那位老人每天早上都拄着拐杖散步。

The old man ________ a walk ________ a stick ________ his hand every morning.

根据汉语意思在空格内填入适当的词，使句子完整

桥上挤满了车辆和行人。

The bridge is ________ ________ people and vehicles.

根据汉语意思在空格内填入适当的词，使句子完整

你看上去很担忧，有什么事让你担心？

You look ________. Do you have ________ to worry ________?

根据汉语意思在空格内填入适当的词，使句子完整

你刚才觉得大地动了一下吗？

Did you ________ the earth ________ just now?

根据汉语意思在空格内填入适当的词，使句子完整

不要围观他，赶紧送他去医院。

Don't ________ round him. Take him to the hospital at ________.

根据汉语意思在空格内填入适当的词，使句子完整

我们看见一辆卡车从街角拐过来。

We saw a truck ________ ________ the ________.

根据汉语意思在空格内填入适当的词，使句子完整

我一直等到他回来。

I ________ ________ he came hack.

根据汉语意思在空格内填入适当的词，使句子完整

昨晚我们正在看电视，突然有人敲门。

Yesterday evening we ________ watching TV ________ someone ________at the door.

根据所给汉语意思，在空白处填入一个适当的单词，使句意完整与正确。

他们正擦地的时候，有人敲门。

________ they were ________ the floor, someone ________ on the door.