英语,同义句转化一空一词They couldn't catch the train because of the heavy traffic.The heavy traffic ——them from —— the train.
问题描述：
英语,同义句转化一空一词
They couldn't catch the train because of the heavy traffic.
The heavy traffic ——them from —— the train.
答
The heavy traffic —prevented—them from —catching— the train.
prevent from + 动词ing形式
阻止，制止；妨碍
答
protects catching
答
prevented...catching 这件事已近发生过了
答
prevent catching