Lots of people in urban areas are now concerned about the quality of the air they________(breath).breath为什么不是：breathing?

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Lots of people in urban areas are now concerned about the quality of the air they________(breath).breath为什么不是：breathing?

Lots of people in urban areas are now concerned about the quality of the air they________(breath).breath为什么不是：breathing?
Lots of people in urban areas are now concerned about the quality of the air they________(breath).
breath
为什么不是：breathing?

Lots of people in urban areas are now concerned about the quality of the air they________(breath).breath为什么不是：breathing?
这句话的翻译是：大城市里面的人们现在关心的是他们呼吸的空气的质量.breath是名词.
注意：now及这句话的意思说明时态是一般现在时,而非现在进行时,所以应该用breathe,一般现在时,说明这种事实.你想的breathing,考虑成了现在进行时,注意他们时刻都在呼吸空气,而不仅仅是现在,所以用动词breathe.

答案错了，应该是breathe，这是动词
如果用进行时的话，那就应该是 are breathing

这里是定语从句 the air 作先行词 that 引导定从作宾语可省去
the quality of the air that they__breath___(breath).
这句话的意思说明时态是一般现在时，而非现在进行时 所以应用动词原形

答案应该是：breathe
breath 是名词型。此句中，（that）they breathe是修饰air的定语从句, 应该用动词型

这是一个定语从句，先行词是air ,省略了连接词that ,意思是他们呼吸的空气，句子中要用动词的谓语形式，而breathing 相当于一名词，又因为主语是复数，且全句为一般现在时所以用breath. 如果觉得明白请采纳啊

In winter lots of people wear______(scarf) meet lots of people. there are lots of people in there 这句话对吗 There ____( be )lots of people in the park . She works in a bank and meets lots of people ( )lots of people at the beach in summer. There are lots of nice people in my lots of people live in 缺什么成分 meet lots of people中文 There are always lots of people w______ to buy the tickets,in front of the cinema. they are very enthusiastic and they speak fluently in front of lots of people 意思 looking out of the window,Steve saw that there wew lots ofA.Steve saw that there wew lots of people in the streetB.there were lots of people in the streetC.lots of people were walking along the streetD.the street were crowed with lots of people 英语翻译Computers will be __ __ lots of people in the future 连词成句speak,of,the,people,lots,in,english,world,can This is brunch .In the west ,lots of people b_____to like brunch-late breakfast or e_____. lots of people will come fron many countries to run in the lots of people's lives ____(change)becauseof the flood in 1998 lots of people's lives ____(change)becauseof the flood in 1998