紫金玉轩
幼苗
共回答了19个问题采纳率:89.5% 举报
比较:
a:Students ought to listen to their teacher carefully in class.
b:Students must listen to their teacher carefully in class.
c:Students have to listen to their teacher carefully in class.
a句表示学生在上课时有仔细听课的义务,不含强迫之意.
b句表示学生必须在上课时仔细听课,含主观强制之意.
c句表示按照规章制度,学生在上课时有仔细听课的义务,含有外界强制之意.
1年前
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