while walking along the river,they suddenly heard somebody _____for help
while walking along the river,they suddenly heard somebody _____for help
A called B to call C calling D calls
A called B to call C calling D calls
英语人气:802 ℃时间:2019-11-09 06:26:12
优质解答
Chear sb. doing sth.” 的意思是“听见某个动作的 一部分”,或者意为“听见这个动作正在进行”; 而“hear sb. do sth.”则表示“听到整个动作”, 或者意为“听到这个动作完成了”.例如: When I passed her room, ...
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