They often take a walk________ A.after supper B.in the morning C.after school D.on Sunday 我认为这4个选择都可以,
问题描述：
They often take a walk________ A.after supper B.in the morning C.after school D.on Sunday 我认为这4个选择都可以,
答
都可以
答
A，根据习惯，可能也不对
答
A,按语境来看应该是A,毕竟饭后走一走,活到九十九嘛!呵呵
答
A.after supper
我觉得比较合题目..