Question

【題目】I often ________ my mother clean the rooms. ( )

A.helpB.helpsC.helped

Answer 1

【答案】A

【解析】

句意：我經(jīng)常幫我媽媽打掃房間。often是一般現(xiàn)在時的標志詞，主語I，動詞用原形，根據(jù)題意，故選A。