【题目】You have been repeatedly told the rules, so there ______ be any difficulty finishing the task.
A. needn’t B. wouldn’t C. mustn’t D. shouldn’t
在线课程【答案】D
【解析】考查情态动词。A. needn’t不必；B. wouldn’t将不会；C. mustn’t禁止，不允许；D. shouldn’t不应该。句意：你已经被重复地告诉规则，所以在完成任务上不应该有任何困难。故选D。