-Why are you looking so worried? Is there anything I can do for you? -The computer  

Why are you looking so worried? Is there anything I can do for you?

The computer        break down when I nearly finished my composition.

Acan           Bshould    Cmust            Ddare

答案

C

相关题目

I want to be a teacher. I can help many students l_____     86. __________
I want to be a teacher. I can help many students l_____     86. ______________ things well. When I see many doctors save their ______, I       87. ______________ want to be a doctor. I t
(3分)图甲是某元素在元素周期表中的部分信息,图乙是该
(3分)图甲是某元素在元素周期表中的部分信息,图乙是该元素的一种粒子结构示意图。(1)该元素的原子的核电荷数为___,相对原子质量为____。(2
We were sad to hear the news that _______ eight Chinese peacekeeping policemen
We were sad to hear the news that _______ eight Chinese peacekeeping policemen were killed in ______ Haiti earthquake.   A. the; /                   B. /; the          
设NA为阿伏加德罗常数的数值,下列说法正确的是( )   
设NA为阿伏加德罗常数的数值,下列说法正确的是( )                A.23gNa与足量H2O反应完全后失去2NA个电子                    
听觉感受器和听觉形成的部位分别是 A 鼓膜、耳蜗.     
听觉感受器和听觉形成的部位分别是 A 鼓膜、耳蜗.        B.耳蜗、咽鼓管 C.耳蜗、大脑皮层         D.鼓膜、大脑皮层
绝对值小于5的所有整数的和为   (   )A. 0 B.-8 C.、10 D
绝对值小于5的所有整数的和为   (   )A. 0 B.-8 C.、10 D.20
-How long have you known John? -Since he      to our class.     
-How long have you known John? -Since he      to our class.       A.has come          B. came           C.had come          D.comes
.下列各项不属于我国目前人口问题的是             
.下列各项不属于我国目前人口问题的是                       (    )    A.人口基数过大             B.男女比例失调     C

最新题目