You didn't wait for Mr Black last night,did you?
You didn't wait for Mr Black last night,did you?
No,but we ______ .He didn't return home at all.
A couldn't have B needn't have
C didn't need to D should wait have
这道题答案为什么选B,而怎样排除A,C ,D
No,but we ______ .He didn't return home at all.
A couldn't have B needn't have
C didn't need to D should wait have
这道题答案为什么选B,而怎样排除A,C ,D
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1年前2个回答
你能帮帮他们吗