Поставь предложения в утвердительную(+),отрицательную(-),вопросительную форму(?)
1)Jane didn*t visit the museum.(+,?)
2) Harry celedrated his birthday yesterday(?,-)
3) The waiter served delicious shrimps(?,-)
4)Mary performed on the stage once a month(?,-)
5)We received a nice postcard (?,-)
6)Did he stay with his friends?(+,-)
7)We waited at the airport(?,-)