网址：http://m.1010jiajiao.com/timu3_id_2412946[举报]
－Mum, _________ I finish my homework now?
－No, you _________．You may have a rest first and finish it later．
may, mustn’t
must, can’t
may, may not
must, needn’t
－Mum, ________ I finish my homework now?
－No, you ________．You may have a rest first and finish it later．
A．may, mustn't
B．must, can't
C．may, may not
D．must, needn't