题目内容

Missing the last bus means___ home.

A. to walk
B. walking
C. walked
D. walk

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It was unbelievable that the fans waited outside the gym for three hours just ____ a look at the sports starts.

A. had
B. having
C. to have
D. have

--I didn't hear you come in last night.-- That's good. We tried ___ noisy.

A. not to
B. to be not
C. to be
D. not to be

--I hear that you and Francis will spend your vacation in Nepal next spring.-- Yes, we are planning _____.

A. to
B. to be
C. it
D. to do it

患者因左下后牙龋坏就诊,一次银汞充填完成治疗,治疗后咬物疼痛。检查:36 DO 充填体完好,边缘密合,表面有亮点,叩痛(-),牙龈正常,牙髓温度测试无异常。该牙应如何处置( )

A. 磨除高点
B. 脱敏治疗
C. 开髓治疗
D. 去除原充填体
E. 去除原充填体,氧化锌丁香油粘固剂安抚

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