Great changes___ have taken place _____ in the city, and a lot of factories________.
The little boy is dirty from head to foot because he in the mud all morning.
here yesterday, he would attend the lecture with us today.
Always read the on the bottle carefully and take the right amount of medicine.
If the same treatment again, he is sure to get well.
_____ I toured Jiuzhaigou, I was deeply impressed with its beautiful scenery.