易腐货物按其热状态是怎样划分的？
参考答案：
易腐货物按其热状态分为：1冻结货物；2、冷却货物；3、未冷却货物。
She _____ have left school, for her bike is still here.[ ]
A. wouldn’t
B. can’t
C. shouldn’t
D. needn’t
He used _______ on the right in China, but he soon got used ______ on the left in England.
A．to drive, to drive
B．to drive, driving
C．to driving, to drive
D．to drive, to driving
