在Twopeoplewereaheadofus,andtravellingfast.中的ahead不是副词么,怎么可以加在be动词后面?
在Two people were ahead of us,and travelling fast.中的ahead不是副词么,怎么可以加在be动词后面?
参考答案
应该是Two people were going ahead of us,and travelling fast.
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