1、 She comes to visit us sometimes.
她有时来访问我们。
2、 I sometimes think that it is a great mistake.
我有时想这是一个大错。
3、 It is sometimes warm and sometimes cold.
天时热时冷。
4、Buttons are sometimes made of bone.
钮扣有时是用骨头做的。
5、Sometimes I pay， sometimes he pays it seems to average out in the end.
有时我付钱，有时他付钱，到头来似乎两相抵销。
