I must leave now. I have to goodbye to you．
A：talk
B：tell
C：say
D：speak
读一读，连线。
①How is the weather? ____ A. Yes, we can.
②How many birds are there?____ B. No, I don't.
③Can we ride bikes there?____ C. It's cloudy.
④Is it windy today? ____ D. There are four birds.
⑤Do you like the rain?____ E. No, it isn't.
自然资源潜力的扩大和提高立足于（ ）
