Question

1) This pen _______ belong to you. Here it is.
a) must
b) should

2) My brother ____ listen our mother. He is so rude. 
a) must
b) should

3) It´s getting late. I _____ go home. 
a) should
b) must

4) She ______ get some rest. She looks tired. 
a) should
b) must

5) You won the lottery. You _____ be very happy. 
a) should
b) must​

Answer 1

1- Letra A

2- Letra B

3- Letra A

4- Letra B

5- Letra B

Espero ter ajudado! :)