I was____late to catch a bus after the party,and we called a taxi
The classroom is____clean___ it was yesterday.—Sorry, I forgot to clean it. [ ]
_____chapter in Oxford English often consists of four parts．—That’s right．And this chapter mainly talks about _____environmental problems．
It’s really nice of you to spend so much time ________ me around the city.
Is this _______notebook?—No, it isn’t_________.