问题
选择题
Though they are very busy every day, they manage to get tighter_______.
A．by and by
B．now and then
C． all the time
D．more or less
答案
答案：B
本题考查副词短语辨析。句意：尽管他们每天都很忙，他们还是不时地聚一聚。by and by“逐渐地”；now and then“时而，不时地”；all the time“一直”；more or less“或多或少”。