Fill in the blanks with correct forms of the modal verbs. (选择正确的情态动词填空。) must can may 1 在做了很多工作之后,你一定很累了。 You ________ be very tired after doing much work. 2 他现在不可能在家。 He ________ be at home now. 3 不要玩火,你可能会烧伤自己。 Don’t play with the fi re. You ______ burn yourself. 4 我们不能摘花。 We _______ pick the flowers.