1 . 你知道他理解慢，因此你必须要对他有耐心。
You know he is slow at understanding, so you have to ________________ him.

2 . 我撞到他在偷看我的私人信件。
I ________________ my private letters.

3 . 他们到底出了什么事，到现在仍可以说是个谜。
What happened to them remains ________________ a mystery.

4 . 目前，它仅仅被看作是中国科学技术史下面的一个分支。
At present, it is only regarded as ________________ Chinese science and technology history.

5 . 她把牛奶收拾完后转过身来。
She finished ________ the milk ________ and turned around.

6 . 我把双手塞进了我的口袋里。
I ______________ in my pockets.

7 . 要高精确度地预测飓风的表现尚需要许多年。
It will be many years before anyone can predict ________________ with much accuracy.

8 . 邓恩博士显然是在试图逃跑时被击中的。
Dr. Dunn was apparently trying to ________________ when he was shot.

9 . 女服务员收走盘子，端来了咖啡。
The waitress had ________ the plates and brought coffee.

10 . “他在那儿。”阿里说着朝几棵树挥了挥手。
“He’s over there,” said Ali, ________________ some trees.