问题
选择题
— Guess what? I saw John reading in the library just now.
— It _____ be him. He is such a lazy boy who hates books.
[ ]
A. mustn't
B. shouldn't
C. can't
D. may not
答案
答案：C
搜题请搜索小程序“爱下问搜题”
— Guess what? I saw John reading in the library just now.
— It _____ be him. He is such a lazy boy who hates books.
[ ]
A. mustn't
B. shouldn't
C. can't
D. may not
答案：C
仔细观察下图：
 | |
| 图一 |  |
| 图二 |
（1）图一、二各是什么？是哪一原始居民制作的？他们距今约多少年？