热电材料ppt:英语填空,哪位帮帮我

来源:百度文库 编辑:神马品牌网 时间:2024/05/08 16:11:27
we are ________the exam.(=we are ready to have the exam)我们已经准备好考试
his uncle______(死) three years ago.
改错
i happenend meeting an old friend of mine in the park.

1 不知道
2 died
3 happened to meet