---Mrs White, why are you standing here?
--- I’m waiting for my son. He ______ back from school.
| A．didn’t come | B．hasn’t come |
| C．won’t come | D．hadn’t come |
相关试题
单词辨音 从下列每题所给的选项中, 选出一个划线部分发音与其它选项不同的答案。（共5小题；每小题1分，满分5分）
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—What’s Anna’s favorite subject? —_____ favorite subject is Chinese.
A. Her B She’s C. She
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