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( )
The storm________,they had to live in a cave.
I wonder if your sister will go to Mary’s birthday party.If she_______,so______I.
In one corner of the garden there stands a tittle board,_______“Keep off the grass.”
Some miners are trapped when the local mine was flooded,but luckily,400 kilograms of milk ________to them during the rescue.
—What do you think Mr.Green is like? —Haven’t you seen through him?I have warned you again and again that men of this kind______