they set the embassy on fire.they tried___it.1 to burn 2 burning 3 for burning 4 in burnning请问选择哪一个.及分别说出每个为什么对与错

问题描述:

they set the embassy on fire.they tried___it.1 to burn 2 burning 3 for burning 4 in burnning
请问选择哪一个.及分别说出每个为什么对与错

1
不定时

句子大意:他们加了很多材料进去,尽力使火烧的更旺些.
此处为try to do sth即尽力做某事,属于固定短语,其它答案没有此意,也没有那样的搭配.


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