----- Nội dung dịch tự động từ ảnh ----- Choose the correct modal verb to complete each of the following sentences. needn't don't have to must mustn't have to Q-11. Swimmers, wear swimming caps at all times in the pool. Q-12. My old MP3 player is still OK, I buy a new one. Q-13. You talk back to the referee or he'll send you off the pitch. Q-14. Does Martha beat Jessie to win the cup? Q-15. We wear a uniform at our school. We can dress freely.
