They often help the old woman _____ her housework. [
| They often help the old woman _____ her housework. |
| [ ] |
| A. in B. with C. at D. on |
可能相似的问题
你能帮帮他们吗
| They often help the old woman _____ her housework. |
| [ ] |
| A. in B. with C. at D. on |
你能帮帮他们吗