Linda often ( )her homework in the evening,but this evening she ( ) TV.

问题描述:

Linda often ( )her homework in the evening,but this evening she ( ) TV.
does/watches,is doing/watches,does/ is watching ,is doing/ is watching
为什么选c

前一个空是说她经常做的事情用一般现在时,后一个空说这个周六她正在看电视,所以用现在进行时.