Every day, too much water _______ in our school. We should save it.
----_______ is it?----It’s about thirty minutes’ bus ride.
-----Where’s Heping Hospital?----It’s over there, between the bank _____ the supermarket.
It’s important for him_____ English well.
I have two books. One is for you, ________ is for her.
Mr. Li is kind _________ us. But sometimes he is kind _______ serious.