问题
写作题
看图各写出一句意思合理，语法正确的句子，所提供的词要全部用上。
1. we, are, a, sports, meet, now
2. it, duty, improve, environment
3. children, have, fun, play, yesterday
4. sister, good, at, sing
答案
1. We are having a sports meet now.
2. It's our duty to improve the environment.
3. The children had fun playing games yesterday.
4. My sister is good at singing.
(答案不唯一)