在人身保险合同中，一般不能变更的是（）
A．投保人
B．被保险人
C． 受益人
D．保险代理人
参考答案：B
They asked me to have a dinner in an excellent restaurant with the, I said that it was at least five years since I _______ a good meal.
A．had enjoyed
B．was enjoying
C．enjoyed
D．had been enjoying
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