______ a little earlier, I would have caught the train.
A、DidIleaveC
本题考查的是if引导的虚拟条件句，省略了if要把had提前。
A well-known example of the large scale destruction of an ecosystem through vegetation removal to accommodate tourist facilities is the case of the _______.
China is a mountainous country.Hills,mountains,and plateaus cover _______ of the total area.
________ in thought, he almost ran into the car in front of him.
In 1985,_______ became the first international hotel company to open a hotel in China bearing its own name.
________ he has many friends, he is often feeling lonely.
