—Must I finish my homework before I go home?—No, you ________. But you ________ finish it before tomorrow.A.mustn’t, mustB. needn’t, mustC. needn’t, mustn’t
--- I’d like a cup of black coffee. What about you, Mike? --- I prefer coffee __________sugar.
---What is Wang Lin’s personality? ---He has no idea of his own. He always __________ his friends about everything.
--- The boy ___________ and then he __________ after he took the medicine.
---As a student, I can’t afford __________ a new mobile phone.
English is not easy, but I never __________.