（） exercise at least twice a week can help you （）A.do ,to stay healthy B.doing ,stay healthC.do,stay healthy D.doing ,to stay healthy选哪个?说明一下理由,

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（） exercise at least twice a week can help you （）A.do ,to stay healthy B.doing ,stay healthC.do,stay healthy D.doing ,to stay healthy选哪个?说明一下理由,
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（） exercise at least twice a week can help you （）A.do ,to stay healthy B.doing ,stay healthC.do,stay healthy D.doing ,to stay healthy选哪个?说明一下理由,
（） exercise at least twice a week can help you （）
A.do ,to stay healthy B.doing ,stay health
C.do,stay healthy D.doing ,to stay healthy
选哪个?说明一下理由,

（） exercise at least twice a week can help you （）A.do ,to stay healthy B.doing ,stay healthC.do,stay healthy D.doing ,to stay healthy选哪个?说明一下理由,
D,动名词作主语.healthy是形容词,stay后跟形容词

D

选D
因为do exercise 是主语，所以用ing形式，即doing。
stay……等同于keep……
意思是保持……
stay(keep)+形容词
意思是保持……的状态
而health 意为健康为名词
healthy 意为健康的
为形容词
所以选healthy
至于help 的用法是
help (to)...

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选D
因为do exercise 是主语，所以用ing形式，即doing。
stay……等同于keep……
意思是保持……
stay(keep)+形容词
意思是保持……的状态
而health 意为健康为名词
healthy 意为健康的
为形容词
所以选healthy
至于help 的用法是
help (to) do something
可以加to 也可以不加
所以符合以上几点的只有D

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at least at least at least(至少）怎么造句? （） exercise at least twice a week can help you （）A.do ,to stay healthy B.doing ,stay healthC.do,stay healthy D.doing ,to stay healthy选哪个?说明一下理由, 英语翻译at least news at least的同义词 at least 同义词 at least又是什么意思 at least意思 At least等于什么 At least you have at least怎么造句? at least的用法 at least wel at least 什么意思? at least that 1、You had better change clothes often . (变否定句） You（ ） （）（）（）clothes often.2、Ann does exercise （for at least half an hour ）every day .对括号部分提问（）（）（）Ann（）exercise every day?3、after she ta At last at least 造句