问题
选择题
We will lose the game unless he _____ us. [ ]
A. helps
B. helped
C. was helping
D. has helped
答案
答案：A
搜题请搜索小程序“爱下问搜题”
We will lose the game unless he _____ us. [ ]
A. helps
B. helped
C. was helping
D. has helped
答案：A
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