---Let’s go to Kunming for vocation. It’s _________too hot ________too cold there.
I think swimming is ______ hiking.
---Do you know mother giant pandas have only one or two babies ?----Sorry,I don’t know.
He _______ high school next year.
_______ trees have been planted near here, so the air is very fresh.
I guess Tom and his sister Celia enjoyed ______ at the party.