They have planted about five ________(千) trees in and around the town in the past few years．
I’d like eight ________(条)of bread．
She will be the________ (第五十一个)to speak at the meeting．
He didn’t go to bed __________ (直到)his father came back．
Where is your mother？ She’s __________(准备) dinner in the kitchen.
Whose bag is this? It’s one of my ________(邻居).
There are two hundred________ (书架)in our school library．
Why don’t you visit our__________ (当地的)farms with us?
I hope we can have less _________(污染)in the environment in the future．
一How many students are there in the dining room now?
一 _________(没有一个)．