1. Have we done our homework ?
Who has already done homework ?
What have we done ?
2. Who was cooking soup at 5 o'clock yesterday ?
What was she cooking at 5 o'clock yesterday ?
When was she cooking soup ?
3. Are there 40 students at the conference ?
How many students are at the conference ?
Where are 40 students ?
На английском сочинение должно быть?