Those scientists invented a robot to care for kids! —It’s not surprising．They ____ wonders all the time

The boy fell ______ his bike yesterday morning.

The map is one of the best tools a man has ________ he goes to a new place. [ ]

I’ve got one more page to write; ________I’ve finished.[ ]

I don’t know what I _______ without the suitcase you lent me.–Glad to have been of some help to you.