___________

[A] when

[B] once

[C] while

[D] whereas

[单选题]A． when B once C while D whereas

[单选题]［A］ While ［B］ When ［C］ Though ［D］ Unless

[单选题][A] why[B] when[C] while[D] where

A．while B．when C．as soon as D．since【题文】—What were your family members

[单选题]He would once in a whilelose his temper when he found himself involved in a

[单选题][A] so [B] once [C] as [D] where

[单选题][A] but [B] whereas [C] though [D] while

. . but ( that ) . . .” Model : he， often， get up on his own ; once in a while；

[单选题]As John Lennon once said, life is _____________ happens to you while you ar

[单选题]It will cost you very little( )the boy a pat on the back once in a while； h