should/shouldn't 谈论好习惯与坏习惯 — 英语词汇题
题目
根据好习惯或坏习惯，补全单词。每空填 should 或 shouldn’t。Leo is on the bus. He waits for others to get off first. He sh____ do this. He wants to get a seat, so he pushes people. He sh____ do this. He sees an old woman standing. He sh____ give his seat to her.