问题

The backpack is 25 yuan each. I buy two for ______ yuan.
A:twenty
B:thirty
C:fifty
D:sixty;
B:thirty
C:fifty
D:sixty;
正确答案是:
同类题型
________ of being involved in the attempted murder, she was questioned by the police.[ ]
nned to climb the mountain today, but insuch ______ bad weather, it seems out of ______ question.
He was about to tell me the secret someone patted him on the shoulder