hand in

交上； 递交

The old man moved away, raising his hand in salutation.(这位老者离开，举起他的手致意。)

I believe that we must move hand in hand in solving the problem of environmental pollution to create a bright future.(我认为我们必须携手解决环境问题以创造一个光明的未来。)

He held my hand in a friendly grasp.(他友好地紧握着我的手。)

I was given a free hand in designing the syllabus.(我获准全权制订教学大纲。)

He gave Stephanie a free hand in the decoration.(他让斯蒂芬妮在装潢时便宜行事。)

I've heard he doesn't like putting his hand in his pocket.(我听说他手很紧。)

Several of his colleagues had a hand in his downfall.(他的几位同事对他的下台起了作用。)

Susie would hand in her composition happily.(苏茜会高高兴兴地把作文交上来。)

He thanked all who had a hand in his release.(他感谢了所有参与解救他的人。)

He took her hand in his firm warm clasp.(他用温暖的手紧紧握住她的手。)

1. 上交（作业、拾到的失物等）
If you hand in something such as homework or something that you have found, you give it to a teacher, police officer, or other person in authority.

e.g. I'm supposed to have handed in a first draft of my dissertation...
我本该把论文的初稿交上去了。
e.g. My advice to anyone who finds anything on a bus is to hand it in to the police.
我的建议是，在公共汽车上不管捡到什么东西都上交给警察。

2. 提出，递交（辞呈）
If you hand in your notice or resignation, you tell your employer, in speech or in writing, that you no longer wish to work for them.

e.g. I handed my notice in on Saturday...
我周六递交了辞职信。
e.g. All eighty opposition members of parliament have handed in their resignation.
议会中80名反对党成员全部递交了辞呈。

1. hand in

1. 上交：1. 此题考查固定搭配及意义和逻辑. 根据上下文判断,老师不是在教室里上交(hand in)而是在分发(hand out)试题. 故应将in改为out.

2. 交：解析:根据上下文判断,老师不是在教室里上交(hand in)而是在分发(hand out)试题,故应将in改为out. 解析:根据上下文,测试题不只一个题目,答案(answer)当然也不只一个,所以应使用复数.

3. hand in

3. 交上,递交：hand down流传下来,传给,往下传 | hand in交上,递交 | hand on传下来,依次传递

4.

4. 交上来：33.out of class 在课堂以外 | 34.hand in 交上来 | 35.more or less 大约