----- 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.