How are the kids spending their childhood? I can’t help recalling(回忆)that there was a time _______ we played happily and freely in the outside.
A.that | B.which | C.when | D.不填 |
推荐套卷
How are the kids spending their childhood? I can’t help recalling(回忆)that there was a time _______ we played happily and freely in the outside.
A.that | B.which | C.when | D.不填 |