_____ his shoes under the bed on the flo_爱下问搜题

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问题选择题

_____ his shoes under the bed on the floor?[ ]

A. Are

B. Is

C. Has

D. She's

答案

答案：A

选择题

All of us are proud _____ the great changes of our hometown. [ ]

A. for

B. of

C. with

D. about

单项选择题

在SQL语言的SELECT语句中，实现投影操作的是哪个子句

A．SELECT

B．FROM

C．WHERE

D．GROUP BY