问题
选择题
If Alice ______this afternoon, the meeting should be put off.
A．would not come
B．might not come
C．should not come
D．could not come
答案
答案：C
should表示可能性，一般有一定的依据. 例如：The photos should be ready by tomorrow morning .
的理想气体，B内充满压强
的理想气体，忽略连接气缸的管道体积，室温不变．现打开阀门。