I ride a bike to school. But this morning, I walked to school.
- A.never
- B.hardly
- C.seldom
- D.usually
答案
正确答案:D
知识点:频率副词

never“从不;绝不”,hardly“几乎不”,seldom“很少”,usually“通常”。句意为“我通常骑自行车去上学。但今天早上我步行去上学了”,所以usually符合题意。答案选D。

略
