--- What’re you going to do to protect the environment? --- Plant trees on       side of the river.

 He is ___________ to go to school now.

It's really        that a tortoise can        150 years old.

— You look          . What has happened to you?— Everyone expected us to win the match, but we lost finally.

----It seems that  Alice never wants to do anything except drawing pictures. ---- Right. That’s  what she likes to do ____ _ .