🌈 搜索
📅  最后修改于: 2021-06-29 20:40:15             🧑  作者: Mango
通过选择正确的选项来填写空白:
He had a pleasant experience ______ he was at home.
(A)和(B)而(C)但是(D)因为答案: (B)说明: while:一段时间,因此选项(B)是正确的。这个问题的测验