There 【B1】______ a king who had twelve beautiful daughters. They 【B2】______ in twelve beds

all in one room and when they went to bed, the 【B3】______ were shut and locked up. 【B4】______ , every morning 【B5】______ shoes were found to be quite worn through as if they had been danced in all night. Nobody could 【B6】______ how it happened, or 【B7】______ the princesses had been.

So the king made it 【B8】______ to all that if any person could discover the 【B9】______ and find out where it was that the princesses danced in the 【B10】______ , he would have the 【B11】______ he liked best to take as his wife, and would be king 【B12】______ his death. But whoever tried and did not succeed, after three days and nights, would be 【B13】______ to death.

A prince from a nearby country soon came. He was well entertained, and in the evening was taken to the chamber (大房间) next 【B14】______ the one where the princesses lay in their twelve 【B15】______ .There be was to sit and 【B16】______ where they went to dance; and, in order 【B17】______ nothing could happen without him hearing it, the door of his 【B18】______ was left open. But the prince soon went to sleep; and when he 【B19】______ in the morning he found that the princesses had all been dancing, 【B20】______ the soles of their shoes were full of holes.

【B1】

A．was

B．were

C．is

D．are