全体职工不准钻杆抢道（过无人道口和横穿公路时）必须做到（）、以防发生事故。
A.一慢
B.二看
C.三通过
参考答案：A, B, C
I've been writing this report ________ for the last two weeks, but it has to be handed in tomorrow.[ ]
A. finally
B. immediately
C. occasionally
D. certainly
粪常规
