_____ of the boys are given an orange.
A. Every
B. Everyone
C. Each
D. All
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Take _____ half, they are exactly the same.
A. either
B. any
C. neither
D. both
You may come at ______ time. A. either B. any C. neither D. every
A. either
B. any
C. neither
D. every
____ of us wants to read the book.
A. Everyone
B. . Every one
C. Nobody
D. No one
理想电压源和理想电流源串联,其等效电路为( )。
A. 理想电压源
B. 理想电流源
C. 电阻
D. 以上都不正确