Question

Home work. to Were were at the circusyesterday.сделать это предложение вопросительным! плиззз!!!​

Answer 1

Did we were at the circus yesterday?

И тут получается это предложение в Past Simple, значит ставь did+V1 (V1 - основной глагол в первой форме)

Вот и ставь!

Удачи!

Answer 2

Sure, I can help you turn the statement into a question:

"Were you at the circus yesterday?"

If you were referring to a group of people being at the circus, the question would be:

"Were they at the circus yesterday?"