有没有try one's best doing这个结构He tries his best ___English as often as he canA.to practice to speaking B.practicing speaking C .to practicing speaking D.practice speaking 这个题选什么

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有没有try one's best doing这个结构He tries his best ___English as often as he canA.to practice to speaking B.practicing speaking C .to practicing speaking D.practice speaking 这个题选什么
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有没有try one's best doing这个结构He tries his best ___English as often as he canA.to practice to speaking B.practicing speaking C .to practicing speaking D.practice speaking 这个题选什么
有没有try one's best doing这个结构
He tries his best ___English as often as he can
A.to practice to speaking B.practicing speaking C .to practicing speaking D.practice speaking 这个题选什么

有没有try one's best doing这个结构He tries his best ___English as often as he canA.to practice to speaking B.practicing speaking C .to practicing speaking D.practice speaking 这个题选什么
没有,应该是try one's best to do sth 尽力做某事,practice doing sht 练习做某事
没有正确选项,正确的应该是:to practice speaking

答案为B 最好的答案为:to practice speaking
1、try one's best to do
所以是practice不是practicing。
2、practice doing
故: practicing speaking

try one

很遗憾,没有答案,应该是to practice speaking
考点1: try one's best to do sth
考点2:practice+动词ing