在被磁化的零件上，磁场进入和离开的部位叫做

The students in our school each ___ an English dictionary.

The students in our school each ___ an English dictionary.

The students in our school each ___ an English dictionary.

The students in our school each ___ an English dictionary.

The students in our school each ___ an English dictionary.

If I had known that, I ___ so.

My father, together with some of his old friends, ___ there already.

My father, together with some of his old friends, ___ there already.

My father, together with some of his old friends, ___ there already.

My father, together with some of his old friends, ___ there already.