Cách làm cho bạn:
1. was working | 2. told | 3. were helping | 4. relised |
Past simple vs. past continuous with when and while
1. Choose the correct verb form in each of the following sentences.
1. While Lan was working / worked as a volunteer in the countryside, she met an old friend.
2. I was revising for my civics class when my dad was telling / told me about the volunteer Job.
3. We saw many unhappy children while we were helping / helped people in remote areas.
4. He was sorting the donations when he was realising / realised how generous people were.
1. was working | 2. told | 3. were helping | 4. relised |
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