根据上下文，在空格处填上适当的词，使其意思完整、语法正确，每个空格限填一个词。
Yesterday morning an old woman (1) a lot of things in a shop. She put them in a
big (2) . She was going to carry it to the car, but the box was heavy and the car wasn't
(3) . At that time Li Ping and Han Mei were (4) by the car and talking. When
they (5) the old woman and the big box beside her, they went to (6) her. They
lifted the heavy box and (7) it to the car. Suddenly the box (8) down and one of
Li Ping's feet was (9) hurt. He had to lie in bed in the hospital for several days. He became
worried about his lessons. But his friend Han Mei said," (10) worry about your lessons. I
will come to help you with your lessons after class every afternoon."
