修改下面的一个病句
海子和我弟弟是同班同学,他来信说,他一切都好,老师同学都很关心他。
句中的“他”指代不清。
语意不明。代词要注意上下文的意思要明确。
不是呼吸链抑制剂的物质是()
A.阿米妥
B.鱼藤酮
C.寡酶素
D.CO
E.CN-
Father's Day is on the Sunday of June while Mother's Day is on the Sunday of May. [ ]
A. third; third
B. second; second
C. third; second
D. second; third