非谓语动词英语题求教the firefighters were searching the burning train

非谓语动词英语题求教
the firefighters were searching the burning train hor survivors,with masks( ) their mouths A.covering B.covered 为啥不选B帽子不是被带嘛?
那这句如何解释::
2.with the help of kind neighbors,tom returned to the campus again with his heart ( ) with gratitude A、filled B.filling 为什么不选B 不是主动吗
DLDUAN 1年前 已收到1个回答 举报

bluebird_xy 幼苗

共回答了18个问题采纳率:88.9% 举报

1.前面选A表示是他们现在都戴着这种状态,B的话只是说明戴口罩的动作,根据前后句语境选A
2.gratitude 感激之情是被填满在心里的,被动

1年前

3
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