III)
1 . He didn't write a book .
Did he write a book ?
2 . She wasn't my boss .
Was she my boss ?
3 . They built a new house .
Did they build a new house ?
4 . I was at the concert last Sunday
Was you at the concert last Sunday
5 . I bought clothes in this clothes
I didn't buy clothes in this clothes
IV)
\begin{array}{|c|c|}\hline\text{Câu}&\text{Đáp án} \\\hline \text{Câu 1}&\text{C} \\\hline \text{Câu 2}&\text{C} \\\hline \text{Câu 3}&\text{A} \\\hline \text{Câu 4}&\text{D} \\\hline \text{Câu 5}&\text{C} \\\hline \text{Câu 6}&\text{D} \\\hline \text{Câu 7}&\text{A} \\\hline \text{Câu 8}&\text{B} \\\hline \text{Câu 9}&\text{C} \\\hline \text{Câu 10}&\text{A} \\\hline \text{Câu 11}&\text{D} \\\hline \text{Câu 12}&\text{A} \\\hline \text{Câu 13}&\text{B} \\\hline \text{Câu 14}&\text{C} \\\hline \end{array}
V)
1. wasn't
2. weren't
3 . left
4 . was
5 . told
6 . didn't have
7 . didn't know
8 . bought