信用卡诈骗罪的主体是一般主体，仅为自然人，单位不构成本罪。
参考答案：对
解析：
When Tracy was told her son's illness could be cured, she left the hospital ．
A．in peace
B．in surprise
C．in time
D．in relief
It ______ heavily when he got back home for he was wet all over．
A．was raining
B．must have been raining
C．must be raining
D．rained
