Our boss, Mr. Thompson, （） a raise in salary for ages, but nothing has happened yet. ( 章节：1 难度：2)
- A、was promising
- B、has been promising
- C、promised
- D、has promised
正确答案:B
答案解析:有
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Our boss, Mr. Thompson, （） a raise in salary for ages, but nothing has happened yet. ( 章节：1 难度：2)
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