_____ I toured Jiuzhaigou, I was deeply impressed with its beautiful scenery. [ ]

When they walked along the river，they suddenly heard somebody ________ for help．

“Well done, John！ Not a single mistake _____ in your exam paper this time！”said the teacher

The temperature in Beijing is ________ from Shanghai.

Mrs. Brown was much disappointed to see the washing machine she had had ________ went wrong again.