Воткните подходящую форму глагола to be 1) There _ a lot

Вставьте подходящую форму глагола to be 1) There _ a lot of mistakes in my last dictation. 2) I hope there _ a lot of new children in camp next summer. 3) There _ a great holiday in our school yesterday. 4) Look! There _ a lot of water on the floor. 5) _ you _ ill yesterday. 6) My father _ a teacher now. He _ a pupil 20 years ago. 7) _ you _ free tomorrow.