Hangzhou the West Lake in the world.
There are 53 students in our class.
It was the next day that I learned the truth.
→The student is my daughter.
→Not until how serious the pollution was.
students to check for new words.
→Watch the men .
→the visitors around the school, we took them to the meeting room. (动词-ing形式的完成时)
Someone John the street just now.
→A number of new machines were introduced from abroad, .
→The experiment shows that proper amounts of exercise, regularly, can improve our health.
I met my future wife. (用if将句子合并为虚拟语气)
Not only .
→She has three sons, are abroad now.