mary ( )(do) homework now.

来源：百度知道 编辑：UC知道 时间：2024/05/13 05:37:40
用所给动词的适当形式填空

MARY正在做家务．应该用现在进行时．
Mary is doing homework now

mary is doing homework now.

mary is doing her homework now

is doing

is doing

is doing
Mary正在做作业
now提示用现在进行时，主语是第三人称单数形式，所以be动词用is,然后再加动词“-ing”形式，即可~~