Complete the second sentence so that it has the same meaning as the first one

I. Complete the second sentence so that it has the same meaning as the first one.
 
1. Why does Jim build that house?
 
2. Minh didn't go to school yesterday. → Minh was
 
3. It was such good weather that we went swimming.
 
→ The weather
 
4. Our summer vacation lasts three months.
 
→ We have
 
5. We didn't enjoy the trip because of the heavy rain.
 
→ The heavy rain prevented
 
6. Going swimming in the summer is interesting.
 
→ It is
 
7. This Mathematics test is too difficult for me to finish.
 
→ This Mathematics test is not
 
→ What