Question

1. Dinner is t 8 o'clock. You ...be late.2.It's cold outside. You ..... put on your coat.Must/mustn't.​

Answer 1

1. Dinner is t 8 o'clock. You mustn't be late.

2.It's cold outside. You must put on your coat.

Answer 2

1. Dinner is at 8 o'clock. You mustn't be late.
2. It's cold outside. You must put on your coat.