短文改错
Today is Sunday. The sky is full of sunshine, so does my life. 76.______
At about 9:00a.m, I go to the bookstore with my friends. There 77.______
was a lot of new books. I didn’t know which one to buy, because 78.____
these books were all useful to me. At last, I chose two. 79._______
At 10:00, we went to the cinema.The film calling Titanic was 80.______
very popular. It took us about 3 hours to see. Having seen the 81._______