胃十二指肠溃疡瘢痕性幽门梗阻的主要临床表现（）。
A.持续腹痛
B.腹胀
C.阵发性腹痛、反复呕吐
D.消瘦
E.贫血
参考答案：C
I _____ up early when I was in high school, but now I _____ up around 7:00 am.
A．used to get; used to get
B．am used to getting; used to get
C．used to get; am used to getting
D．am used to getting; am used to getting
