18.( ) Paul: The clock belongs to Bill. What are you doing to it?Ben: I know it’s ____. But it’s bro
19.( ) My teacher was very angry because there ____ some garbage on the ground.(A) had (B) has(C) wa
20.( ) Do you still remember Jackson? He ____ last night. I saw his picture in today’s newspaper.(A)
21.( ) David: Why do you keep shaking?May: That’s ____ I feel very cold. Could you please turn off t
25.( ) Jack: Gina can sing well. She is good at dancing,too. She has a great chance(機會) ofwinning th