根据句子意思及首字母提示填词，使句子意思完整，正确。
1．（泉州市，2002）
(1) Your trousers are d_____________. You must wash them.
(2) Have you seen my pen? I can't f ________ it.
(3) We usually have three m_____________ a day.
(4) S__________ is the best season for planting trees.
(5) We listen with our e_____________.
(6) Fifteen and twenty- five is f____________.
(7) It often s________________ in the north of China in winter.
(8) —Have you ever been to Xi'an.?
—Yes, I have been there t___________.
2．（广州市，2000）
(1) —You look sad. What's wrong?
—I am w ___________ about my father's health.
(2) He tried many different ways. But in the e__________ he had to give up.
(3) I've looked e_____________ but cannot find it.
(4) —How often do you write to your grandparents?
—I write to them o___________ a month.
Key:
1. (1) dirty (2) find (3) meals (4) spring (5) ears (6) forty (7) snows (8) twice
2. (1) worried (2) end (3) everywhere (4) once
