Tom full marks, but he was too careless and made a spelling mistake.
A. could gain
B. could have gained
C. must have gained
D. must gain
Tom full marks, but he was too careless and made a spelling mistake.A. could gainB. could
答案:2 悬赏:60 手机版
解决时间 2021-04-08 18:36
- 提问者网友：沉默菋噵
- 2021-04-08 02:32
最佳答案
- 五星知识达人网友：野味小生
- 2021-04-08 02:50
A. could gain(答案→)B. could have gainedC. must have gainedD. must gain解析：句意：汤姆本可以得到满分的，但是他太粗心了，犯了一个拼写错误。从but he was too careless and made a spelling mistake.可知是说明的过去的事情，排除AD，could have done“本可以做而没有做”是虚拟语气，符合句意，must have done过去一定做了，不符合句意，所以选B。
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- 1楼网友：行雁书
- 2021-04-08 03:22
和我的回答一样，看来我也对了
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