题目内容：

Bob walks to school every day.But s------ he goes to school by bus.
We are very happy that our little daughter d------- herself in the morning after she gets up.
根据首字母填空

优质解答

sometimes（有时）；dresses

追问：

貌似every day已经可以说明他每天步行上学，那怎么还可以用sometimes.

追答：

所以后面的连词才用but