I ate __________ sandwich while I was waiting for _______ 20:08 train.A.the; aB.the; theC.a; theD.a;

I ate a ________ prepared sandwich and shot out of the door.A hastilyB franticallyC cr

While I_____ to the supermarket by bus, I_____ an old friend.A. was going, metB. went, m

—John,where are the cookies？ Dont tell me you ate them all. Again! —______I couldnt help i

下面程序段的时间复杂度是______。 i=s=0; while（s＜n) { i＋＋； ／*i=

______ someone rang me up.A.While I leftB.While I was leaving.C.On leavingD.While leavin

下列会出错的代码是______。(1) public void modify( ){(2) int I j k;(3) i=100;(4) while(i>0){