胸痛的性质可提示某种疾病,下列正确的是哪项()
A.绞窄性痛-肺梗死
B.闷痛-肺癌
C.撕裂痛-带状疱疹
D.刀割样痛-千性胸膜炎
E.尖锐刺痛-心绞痛
参考答案:B
I _____be afraid of the dark.[ ]
A. use to
B. used to
C. are used to
D. are used for
You _____ an A on your composition, but there were some spelling mistakes.
A.should receive
B.could have received
C.would receive
D.must have received