She sometimes____(clean) the blackboard横线怎么填

问题描述:

She sometimes____(clean) the blackboard横线怎么填

sometinmes译为“有时,间或”,决定了是一般现在时
又she决定用单三
故答案是cleans

she是第三人称单数
所以要填 cleans

cleans.因为前面sometimes是要填三单

CLEANS