甲状腺癌中，哪种类型预后最好：
A．髓样癌B．滤泡性癌C．嗜酸细胞腺癌D．未分化癌E．小头状癌
参考答案：E
35. He ______stay up a few years ago. But now he is used to _____ to bed early.
A．was used to …going
B．used to …go
C．used to …going
D．was used to …go
（）是极可能发现了迄今为止尚未发现的错误的测试方案。
d to _____ to bed early.