—_____ do you visit your grandfather?
—_____ do you visit your grandfather?  —Once every two weeks. |
| [ ] |
| A. how long B. How soon C. How much D. How often |
可能相似的问题
你能帮帮他们吗
| —_____ do you visit your grandfather? —Once every two weeks. |
| [ ] |
| A. how long B. How soon C. How much D. How often |
你能帮帮他们吗