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But for their help, we______.A、shouldn’ t succeedB、could not have succeededC、w
But for their help, we______.A、shouldn’ t succeedB、could not have succeededC、w
游客
2024-01-19
7
管理
问题
But for their help, we______.
选项
A、shouldn’ t succeed
B、could not have succeeded
C、will not succeed
D、should not have succeeded
答案
B
解析
本题考查虚拟语气。But for“要不是”,是对过去情况的假设,主句要用过去将来完成时。could not have done,表示“本来不能…(实际上做到了)”。所以选B。类似用法包括“should have done本应该…”。
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