Anna _ able to read when she was four.A:can B:could C:is able to D:were able to选哪一个
问题描述:
Anna _ able to read when she was four.A:can B:could C:is able to D:were able to
选哪一个
答
was
答
was able to read
是正确的答案
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
答
c be able to 的用法