We _________ Helen to be our monitor because she always helps us with our studies.
A.choose B.let C.discover D.suggest
解答: 答案为A , CHOOSE SB TO DO STH / CHOOSE SB TO BE STH
选某人做某事情，其它不可以接动词不定式做宾语补足语
choose及物动词 vt. & 不及物动词 vi.
1.挑选; 选择
I cannot choose but wait.
我别无选择, 只好等待。
I've chosen them because of the colours.
我因颜色好而挑选了它们。
We choose her a nice birthday present.
我们给她挑选了一件精致的生日礼物。
We choose an expensive toy for the boy.
我们给孩子买了一件昂贵的玩具。
They choose me to be their representative.
他们选我作他们的代表。
2.选定, 决定
He chose not to go home until later.
他决定晚一点回家。
Have you chosen what you want for your birthday?
你过生日要什么东西决定了吗?
3.喜欢; 宁愿
She chose happiness instead of wealth.
她宁愿要幸福而舍弃财富。
及物动词 vt.
1.意愿；认为合适
2.[口语]欲，想要，打算 (常与不定式连用)
suggest 及物动词 vt.
1.建议, 提议
They accepted the paper and suggested only one change.
他们接受了这篇论文, 只提出改动一个地方。
What I suggest to do in this matter is this.
在这个问题上, 我建议这样做。
I suggested waiting.
我建议等候。
May I suggest you closing the door?
我要求你把门关起来好吗?
We suggested Eby's doing it in a different way.
我们建议伊比换一种方式做。
They suggested we should visit a class right away.
他们建议我们马上去听课。
2.暗示
Her smile suggests her consent.
她的微笑意味着同意。
His attitude suggests that he isn't really interested.
他的态度表明他并不真的感兴趣。
3.使想起
The sight of birds suggested a new idea for flying machines.
鸟的形象使人产生一个制造航空机的新主意。
4.推荐，举荐
It was suggested that he be the chairman of the meeting.
他被举荐为大会主席。
5.(间接地)表明，意思是
The ring suggests that he was on the scene of the crime.
这只戒指表明他在作案现场。
6.启示，启发；促使做(或思考)
Having been suggested by a bat, people invented sonar.
受到蝙蝠的启发，人们发明了声呐。
discover 及物动词 vt.
1.发现
Recently they have discovered a comet.
最近他们发现了一颗彗星。
I never discovered how to open the box.
我一直未能发现该如何打开这个箱子。
She discovered that she was being closely watched.
她发现她在被人监视。
We discovered her to be a good cook.
我们发现她是一个很好的厨师。
When returning back, he discovered the room to be in disorder.
回家后, 他发现屋子里乱七八糟。
They discovered him stealing public property.
他们发现他偷窃公共财产。
They discovered the murderer to have run away.
他们发现凶手已逃之夭夭。
2.碰见, 撞见
He discovered what it was.
他看见它到底是什么了。
3.了解到, 认识到, 发觉
We'll discover who did it.
我们会查出是谁做的。
不及物动词 vi.
1.发现（人才）
let 及物动词 vt.
1.让, 使
They let fly a shower of arrows.
他们射了一阵箭。
Let the door open.
让门开着。
His father doesn't let him smoke.
他父亲不允许他吸烟。
2.放掉, 松掉
We mustn't let slip such an opportunity.
这样的机会我们不能错过。
3.准许；许可；同意
4. 允许（去某处）
5.（提出帮助时说）让，由
6.（提出请求或布置任务时说）要
7.（表示不害怕或担忧某人做某事）让
8.（表达强烈的愿望）让
9.（计算时说）假设，设
10. 出租（房屋、房间等）
11.让…经过(或来、去)；允许…通过
The secretary let me into the office.
秘书让我进了办公室。
12.使流出；放出；泄漏
Let the water from the tank.
把水柜里的水放出来。
及物动词 vt. & 不及物动词 vi.
1.出租
We're hoping to let this field.
我们希望把这块地租出去。
Mrs. Brown let me a room.
布朗夫人租给我一间房。
They let rooms to college students.
他们向大学生出租房间。
名词 n.
1.（发球时的）擦网球
2.出租；租借
不及物动词 vi.
1.被承包
—Lana never has been to Disneyland, has she ?
—______________ She came back from Disneyland last week.
A. No, she hasn’t. B.No, she doesn’t. C.Yes, she has. D.Yes,she does.
解答：答案为C, 反意疑问句回答，主语+助动词，应该以句子助动词为准
(Yes,she has ,不是的，她去过迪尼斯乐园）（嘞纳从来没有去过迪尼斯乐园，对吗？ 回答，不对，她去过迪尼斯乐园， 她上个星期刚从迪尼斯乐园回来；注意回答要保持一致，）
温馨提示：答案为网友推荐，仅供参考