一个四棱锥和一个三棱锥恰好可以拼接成一个三棱柱.这个四棱锥的底面为正方形,且底面边长与各侧棱长相等,这个三棱锥的底面边长与各侧棱长也都相等.设四棱锥、三棱锥、三棱柱的高分别为,,,则( )
______ of the parents has confirmed it was their child’s fault to be late for class, saying the school bus came later than usual.
______ he explained it to me did I make sense of what he said.
It sounded like something was wrong with the car’s engine then, ______ they would have carried on their journey.
---There is still some doubt ______ he is innocent. ---That’s why he was accused ______ the crime.
It’s ______ to sign up for the cooking contest when you can’t cook a meal by yourself.