1. This product is intended for use in a one-time escape only.此处的in我还不太理解,麻烦老师讲解2. They are suitable for adults in various shapes.此处的in是和 in various shapes 一起的吗,表示“各种形状的”?
...0里2d倒数第二句(Please let us know by Wednesday if you can come to theparty.)也是if从句,理解为名词性从句还是副词性从句?如果只是从理解句意的角度,理解为‘是否...’还是“如果...”都说得过去。如果理解为“是否”,更准确的意...