A: you MUST/MUSTN T put your hand up to ask a question B: what s the matter, officer ?...

Question

A: you MUST/MUSTN T put your hand up to ask a question
B: what s the matter, officer ? you MUST/MUSTN T park your car here
C: you MUST/MUSTN T do any sports
D: you MUST/MUSTN Tbuy a ticket before

Answer 1

A. You must put your hand up to ask a question
B. What s the matter, officer? You musn't park your car here
C: You must do any sports
D: You must buy a ticket before