存放在寄存器ACC中的操作数有___
A. 被加数及和
B. 被除数及余数
C. 减数及差
D. 乘数及乘积高位
E. 商
控制器的组成部分有___
A. 指令寄存器
B. 程序计数器
C. 控制单元
D. 累加器
E. 乘商寄存器
F. 地址寄存器
When passing me he pretended ______ me.
A. to see
B. not having seen
C. to have not seen
D. not to have seen
The children insisted ______ there on foot.
A. they going
B. they would go
C. on their going
D. going