神马作文网选择 快快！！！
来源：学生作业帮 编辑：神马作文网作业帮 分类：英语作业 时间：2024/11/12 23:31:34
Last summer I took a course on( )poisonous gases A how to deal with B what to deal with C how to be dealt D what to be dealt with The farmers use specially trained dogs to( )their sheep at night A watch B watch over C watch out D watch for 如何讲题让同学们 老师听明白。上面的
解题思路： 短语
解题过程：
最终答案：略
解题过程：
最终答案：略