以下哪个英文单词代表Internet服务商（）
A.ISP
B.IAP
C.ICP
D.IPP
参考答案：B
--- Look! It ____ be Jack on the playground.
---It ____ be him. Because I saw him enter the school library just now.
A. may; mustn’t B. must; can’t C. can; can’t
监督性巡视的内容是什麽？
