【推荐1】One party held the view that water companies should ________ ________ (集中于) reducing waste instead of building new reservoirs. （根据汉语提示完成句子）

【推荐2】周围很多人在闲聊，我发现很难集中注意力在学习上。
I find it hard to________ ________ my studies with some people having small talks around me.

【推荐3】我没法专心做实验。
I couldn’t _________ _________the _________.

【推荐1】Some students even_________ _________ _________(对……上瘾) the Internet and cannot_________ _________(集中注意力) school and family life. (根据汉语提示完成句子)

【推荐2】如果你专心学习，我相信你会取得更大的进步。
If you______ ______your study, I’m sure you’ll make greater progress.

【推荐3】你该把你的注意力集中在功课之上。
You should ________________your lessons.

【推荐1】正如她正确指出的那样，这种病不仅影响儿童，也会影响成年人。(as well as)
As she rightly pointed out, the illness can affect adults ______.

【推荐1】绝大部分雇员在公司供职多年，熟悉我们的产品。
Most employees have long service with the company and________ ________ ________ our products.

【推荐2】认为无家可归的人都是懒惰的是错误的。
______ ______ ______ ______ ______ all lazy people.

【推荐3】当你在街上闲逛的时候，你会看见数千面具----优雅或恐怖；悲伤或好笑；传统或现代。
As you __________ through the street, you see thousands of masks--- elegant or _________, sad or amusing, traditional or modern.