问题
选择题
Though they had not much to say, they email each other _____ .
A．sooner or later
B．from then on
C．every now and then
D．more or less
答案
答案：C
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Though they had not much to say, they email each other _____ .
A．sooner or later
B．from then on
C．every now and then
D．more or less
答案：C