I didn’t know ______.
I like riding fast .it’s very exciting .Oh , You mustn’t do it like that , it may have an accident .
The number of pandas(熊猫) becoming .
You look nice this fur , but I don’t think it looks everyone.
The lake looks in the moonlight and we can hear insects (昆虫) sing .
Do you think necessary to do a bird count ?Yes , we must count them at least once a year