【题目】In that factory, anyone who breaks the rules will be asked to leave ________.
A. in a spot B. on the spot
C. spotlessly D. suddenly
在线课程【答案】B
【解析】
考查介词短语及副词词义辨析。句意：在那家工厂，凡是违反规定的人当场就被告知离开。A. in a spot处在困境中；B. on the spot当场；C. spotlessly纯洁地，一尘不染地；D. suddenly突然地。故选B。