1．Han Han is many people's favorite ______________（作家）
2．Helen ______________（掉）the cup on the floor. It was broken.
3．Her baby is ill in bed. She's ______________（担心的）about her.
4．Jim is ______________（可能）doing his homework at home.
5．They are studying for ______________（期末考试）.
6．Let's ______________（野餐）in the park this weekend.
7．The magazine doesn't ______________（属于）Jenny. It's mine.
8．Water ______________（构成）the largest part of the human body.
9．The tickets ______be Jim's and Maria's. They are both going to Tibet.
10．The man wearing a hat ______ be Mr. White. Because he has gone to Australia.
11．Don't drive too fast. It ______ cause traffic accidents.
12．—______ I clean the living room now, Mom?
—No, you ______. You ______ do it tomorrow.
