Must I wait here all morning?I have a lot of work to do.
No,you____.You may be back in the afternoon.( )
A.mustn'tB.can't
C.don't have to
—Did you notice a boy in blue come in? —No , I didn't because I ______ a movie.
----Has Jack finished painting the picture yet? ---- I’ve no idea. But he______ it the whole afternoon.
-- Has your friend completed his design?-- Not yet. He ________ on it last night.
She to an English program while her parents TV.
—I think the magic from Liu Qian was the best program last night. —Oh, it’s a pity. I _______ cards with my family and missed it.