Complete the song with must or mustn't.

Решение:

Вставляем 'must' или 'mustn't' в зависимости от смысла песни и изображения.

You must come to the park

Oh, you must come to the park,

So we can have some fun.

You mustn't come to the park today,

And play games in the sun.

Oh, we must walk on the path,

And we mustn't climb the trees.

We mustn't put litter in the bin,

Let's keep the park clean, please.

Oh, we must be very good,

And we mustn't pick the flowers.

But we can have a lot of fun,

And play for hours and hours.

Ответ: must, mustn't, must, mustn't, mustn't, must, mustn't.