Must I hand in my exercise book now, Mr. Zhao? - No, you __. You may give it to me tomorrow. A, needn’t B. mustn’t C. can’t
— Must I go to medical school and be a doctor like you,Dad? — No,you__________,son.You’re free to make your own decision.
My old neighbour Charles felt__________ after his children moved out.
—__________ have you been in the sports club? —Since the first month I came to the school.
__________ is waiting for you at the gate. He wants to say thanks to you.
The student didn’t find much__________ about the topic on that website.