---- I’m sorry I can’t help you----- ___________.A. Not at all. B. It doesn’t matterC. Thank you all the same D. I’m sorry to hear that
---- I’m sorry I can’t help you
----- ___________.
A. Not at all. B. It doesn’t matter
C. Thank you all the same D. I’m sorry to hear that
相关考题：
－ May I help you, madam? － (). A、Sorry, I have no ideaB、Yes, I'd like 2 kilos of orangesC、You'd better give me a hand
－－Must we finish our homework now? －－No, you ______. You _______ finish it after school. A.needn't , mayB.mustn't , mayC.can't , canD.needn't , must
“Must I finish my homework now?” “No, you() . But you() finish it this evening. ” A. mustn’ t…mustB. needn’ t…mustC. can’ t…canD. can’ t…must
6． —Let’ s play volleyball．—Sorry， I _________a volleyball．A． haveB． don’t haveC． not haveD． doesn’t have
-Mayweleavetheclassroomnow?-No,you______.You______toleaveuntilthebellrings.A.mustn’t,areallowedB.don’thaveto,aresupposedC.needn’t,aren’tallowedD.can’t,aren’tsupposed
Can you go skating with us this afternoon?Sorry,I can't. I()take care of my little sister at home.A. couldB. mayC. have to
The price you quoted is so high that we () help ()this transaction.A、can…to cancelB、can't...cancelingC、can…cancelingD、can't…to cancel
下列程序段的时间复杂度为()。for(i=0；i＜m；i++)for(j=0；j＜t；j++)e[i][j]=0；for(i=0；i＜m；i++)for(j=0；j＜t；j++)for(k=0；k＜n；k++)c[i][j]_c[i][j]+a[i][k]×b[k][j]；A.O(m×n×t)B.O(m+n+t)C.O(m×t+n)D.O(m+n×t)
下列程序段的时间复杂度是（）。 for（i=0; i＜m; i++) for（j=0; j＜t; j++) c[i][j]=0; for（i=0; i＜m; i++) for（j=0; j＜t; j++) for（k=0; k＜n; k++) c[i][j]=c[i][j]+a[i][k]*b[k][j];A．O(m+n+t)B．O(m+n*t)C．O(m*t+n)D．O(m*n*t)