高等教育 / 英语(一)
(单选题) _ _ _ _ _ _ _ _ _ _ _ _ the way we had come, we could see the whole valley spread out behind us.
A、Looking back
B、Having looked back
C、To look back
D、Being looked back
A、Looking back
B、Having looked back
C、To look back
D、Being looked back
参考答案:
佳题速递: