sắp xếp:
1. ever seen/ awful / such / the first time/ tornado./had/It/I/was/an/
2.the debris ./ By the time/ they hadn't / we got/there,/cleared up
3.areas/to safe/had/struck./before/Most people/moved/the storm/
4.experienced/Had/a hot summer/before/such/ you/2000?/
1. It was the first time I had ever seen an awful tornado. 2. By the time we got there, they hadn't cleared up the debris . ( By the time + V (did) , S + had PII) 3. Most people had moved to safe areas before the storm struck. 4. Had you experienced such a hot summer before 2000?