My mother becomes more and more forgetful. She searched for her cell phone for a whole day

last Sunday but it ______ in her coat pocket the next day.       [      ]

A. turned out    

B. turned on  

C. turned over

D. turned up

减速器地脚螺栓及各部连接螺栓应（）。

A.齐全；

B.有垫圈；

C.涂防锈剂；

D.无松动。