—Must I finish my homework today,Ms Liu?—No,_______. A.you mustn’t B.you don’t have to C.you can’t
The teacher slapped .
—Must I come back before supper, mum? —No, you .
—When did you buy this computer? It looks so new. —I it for only a couple of days. My sister bought it for me as a birthday present.
—Haven’t you been to Beijing before? —. I went there last summer.
He could hardly believe his eyes,he?