根据适当形式填空.Did you hear someone ……(cough )just now?
问题描述:
根据适当形式填空.Did you hear someone ……(cough )just now?
答
coughing
hear sb doing sth 听见某人在做某事
楼上在忽悠!
答
coughed
答
答案是:coughing 有这个句型:hear sb doing sth听到某人正在做某事【强调动作】
答
直接cough
因为Did所以用原型