问题
选择题
she tells him the truth now, he’ll simply keep on asking her until she does.
A．Unless
B．Once
C．If
D．Immediately
答案
答案：A
考查连词。Unless 除非，Once 一旦，If 如果，Immediately 立刻，一……就，句意：除非她现在告诉他事实，不然的话，他将继续问她知道她告诉他为止。所以选A。