爱迪生还是个孩子时，他就自己建立了一个实验室。

Edison built his own lab ________ ________ ________ when he was a child.

天太黑看不清楚他是谁。

It was ________ ________ ________ ________ who he was.

我不能肯定把笔记本掉在什么地方了。

I'm ________ ________ ________ I left my notebook.

它一点用处也没有。

It's not ________ ________ ________ ________.

这个问题相当难，但却极为有趣。

This is ________ ________ ________ problem but ________ ________ ________ ________, it is very interesting.

我想请你来我家尝一尝真正的中国菜。

I'd like to ________ you ________ my house to have some ________ ________ food.

不要超越别人去夹菜，而要请他把菜递给你。

Don't reach ________ someone to get something. ________ you should ask to pass it to you.

来一杯咖啡怎么样，加糖还是加奶？

Would you like a cup of coffee, ________ ________ ________ ________?

我们在七月一日的上午参观了那座工厂。

We visited the factory ________ ________ ________ ________ July 1.

她坐在温暖的阳光下。

She ________ ________ the warm ________.