she ＿＿ in a high school A.studying B.teaching c,is studing d.is teaching 问一...
问题描述：
she ＿＿ in a high school A.studying B.teaching c,is studing d.is teaching 问一...
she ＿＿ in a high school
A.studying
B.teaching
c,is studing
d.is teaching
为什么都要变成动名词 ,前面为什么要加is
答
填c,is studing 或d.is teaching 因为有谓语而才构成句子,故A/B错；但C中的studing错,只有D符合语法语义,最佳
is+动词ing是现在进行时,表正在进行中