问题
选择题
I don't really work here; I ____ until the new teacher arrives. [ ]
A. just help out
B. am just helping out
C. have just helped out
D. will just help out
答案
答案：B
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I don't really work here; I ____ until the new teacher arrives. [ ]
A. just help out
B. am just helping out
C. have just helped out
D. will just help out
答案：B