阅读对话，用“in“on，选出正确单词。   

1. A: I can see a cat.              

    B: It's ____ (in, on) the basket.

2. A: Where's the jacket?        

    B: It's ____ (in, on) the bed.

3. A: I can't find my pencil box.    

    B: It's ____ (in, on) the chair.

4. A: Is Helen ____ (in, on) the study?    

    B: Yes, she is.

5. A: Where's the camera?        

    B:  It's ____ (in, op) the fridge.

某村因要决定村办企业承包事宜，现召集村民会议。本村拥有1010名选民，当天参与会议的村民有900人，会议对上调村办企业承包费一事进行表决，至少（）名村民投赞成票，该决议才能通过。

A.505

B.623

C.451

D.466