Must\mustn't\dont have to 1.I ..... remember to phone Sonia tonight. 2. Here's your...

Question

Must\mustn't\dont have to
1.I ..... remember to phone Sonia tonight.
2. Here's your present.You.....onep its berore youre birthday!

Answer 1

1. I must remember to phone Sonia tonight.
2. Here's your present. You mustn't open it before your birthday!