是的,如:
1. He usually does his homework before dinner.
2. I did some housework last Saturday.
3. We have done the shopping.
4. Jack is doing his school work.
通过句子去记,会更容易些.
希望对你有帮助
是的,如:
1. He usually does his homework before dinner.
2. I did some housework last Saturday.
3. We have done the shopping.
4. Jack is doing his school work.
通过句子去记,会更容易些.
希望对你有帮助