现在进行时讲解+练习,可打印附答案

lying,dying,beginning,getting二、用括号内所给单词的适当形式填空。1.Look!There(is)alotofpeopleoverthere.Whatarethey(doing)now?2.—Whatdoesyourmother(do)?—Sheisateacher.3.It(israining)heavilyoutsidenow.Youmuststayathome.4.Don’tsing...