Anna _ able to read when she was four.A:can B:could C:is able to _英语解答

Anna _ able to read when she was four.A:can B:could C:is able to D:were able to
选哪一个

人气：326 ℃　时间：2019-10-05 13:58:49

解答

应该是：Anna __was__ able to read when she was four.
答案貌似都不对呀~~~~前后应该都是过去时