She (a)   a beautiful picture of the sunset using pastel colors.

她用粉彩色素材画了一张美丽的日落图。

The (a)   at the company work hard to design new and innovative products.

该公司的工程师们努力工作，设计新的创新产品。

The rubber duck is (a)   on top of the water in the bathtub. (小黄鸭在浴缸里漂浮在水面上。)

The rock was too heavy and (a)   to the bottom of the lake.

岩石太重了，沉入了湖底。

His kind words left a lasting (a)   on her heart.

他的友善话语给她的心留下了深刻的印象。

The building's (a)   was constructed with reinforced concrete.

建筑物的地基采用了钢筋混凝土建造。

___ spent years ___ the lives of the ancient civilization.

历史学家们花费数年时间研究了古代文明的生活。

(a)  

Can you (a)   the appearance of the suspect to the police?

请向警方描述嫌疑人的外貌。

The ___ of this clock is an engineer ___ Simon.

这个时钟的发明者是一位名叫Simon的工程师。

(a)  

Emily may be ___ ___ ___ ___ engineers in history.

Emily里可能是历史上最伟大的工程师之一。

(a)  

___ ___ ___ know about Roy through a book he wrote.

我们大多数了解Roy里是通过他写的一本书。

(a)  

(a)   his cam-driven machine, we might not have modern robots.

没有他的带动式机器，我们可能没有现代机器人。

The theory of (a)   explains how species change over time.

进化理论解释了物种如何随时间变化。

The (a)   between the two events is unclear.

两个事件之间的联系还不清楚。

From a different (a)   , the situation doesn't seem as bad.

从不同的角度来看，情况并不像那么糟。

Can you ___ ___ a good movie we can watch tonight? (想)

(a)  

Stephen Hawking is famous (a)   his contributions to the fields of cosmology and theoretical physics. (以…著名)

Isaac Newton was ___ ___ ___ one of the greatest scientific minds of all time. (被认为是)

(a)  

 她在公司工作，每30分钟要检查一次数据。

     She works in the company and checks the data (a)   30 minutes.

世界上许多地方的动物物种都有灭绝的危险。

Many animal species in the world are ___ ___ ___ ___.

(a)  

除非我们迅速努力地拯救濒危物种，否则它们可能会消失。

___ we make efforts to save ___ species quickly, they may ___.

(a)  

摄影师通过大量的照片来讲述物种的演化。

The (a)   tells the story of species evolution through a large number of photos.

For many creatures on Earth, time is ___ ___.

对地球上的许多生物来说，时间已经不多了。

(a)  

杰克是如何对保护濒危物种产生兴趣的？

How did Jack become ___ ___ ___ endangered species?

(a)  

我无法理解我们是怎么允许这种情况发生了呢？

I can't understand ___ ___ ___ this situation to happen?

(a)  

___ is the best way to show issues to the world because it makes people ___ ___ the issue.

摄影是向世界展示问题的最佳方式，因为它让人们关心问题。

(a)  

 Please don't ___ ___ ___, you'll scare away the birds. ( 发出声音)

(a)  

The naughty boy ___ ___ ___ all night and drove his mother crazy. ( 发出噪音)

(a)  

 我不能肯定我对他的感情。

I'm ___ ___ ___my feelings for him. 

(a)  

咱们一次全力以赴处理一个问题。

Let's tackle one problem ___ ___ ___. 

(a)  

我开始害怕夜间单独外出了。I started to feel scared ___ ___ ___ ___ at night.

(a)  

西和莉莉一样大，但是不是一样高。

Lucy is at the same age with Lily, but Lucy isn’t ___ ___ ___ Lily.

(a)  

英语和汉语一样重要

English is ___ ___ ___ Chinese.

(a)  

我觉得这儿的路不如我们家乡的路宽。

I thought the roads here were ___ ___ ___ as that in our hometown.

(a)  

If you should ___ ___ ___  ___spare parts, ring this number. 万一你买备件时遇到什么困难，请打这个电话号码。

(a)  

Mary没时间接电话，她正忙着照顾孩子。

   Mary didn’t have time to answer the phone, because she ___ ___ ___ ___ her baby

(a)  

I had ___ ___ ___ the plan. 我执行(carry out)这项计划有困难。

(a)  

 I live as happily as before. ( 改否定句）I ___ ___ ___ happily as before.

(a)  

Our goal is to save ___ ___ ___ ___ ___ from extinction. (尽可能多的动物)

(a)  

___ ___ you have all the necessary materials for the experiment. (确保)

(a)  

___ ___ ___ of my careless driving, I got into a car accident. (由于)

(a)