____in front of the class are always helpful to students

____in front of the class are always helpful to students
____<大声说英语>in front of the class are always helpful to students

____in front of the class are always helpful to students
Speaking English loudly

Speaking English loudly

Speaking English aloud
用aloud,大声读说用aloud
e.g., reading aloud 朗读
crying aloud for help
高声呼救