问题
选择题
Here are your socks. Please ______. [ ]
A. put it on
B. put on it
C. put on them
D. put them on
答案
答案：D
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Here are your socks. Please ______. [ ]
A. put it on
B. put on it
C. put on them
D. put them on
答案：D
在某数据库中建立了表Person(Pno,Pname,Psex,Pbirthday)，Pno为表的主码，Pname不能为空，表中已有记录如下表所示：
| Pno | Pname | Psex | Pbirthday |
| 2 | 张三 | 男 | 1980/04/23 |
| 4 | 小芳 | 女 | 1981/06/12 |
| 7 | 王军 | 男 | 1977/01/04 |
A．INSERT INTO Person VALUES(2,’李四’,’男’,’1984/03/18’)
B．INSERT INTO Person(Pname,Psex)VALUES(’李四’,’男’)
C．INSERT INTO Person VALUES(3,’男’,’李四,’1984/03/18’)
D．INSERT INTO Person(Pno,Psex)VALUES(2,’男’)