病人自觉口中有甜味者，属（）
A.肝胃郁热
B.心火上炎
C.燥热津伤
D.脾胃湿热
E.脾胃虚弱
参考答案：D
Something ________ otherwise he ________ here then. [ ]
A. must happen; would have been
B. must have happened; would be
C. must have happened; would have been
D. would happen; would be
每（）天检查一次耙矸机合闸或换向接触器。
