Is going on vacation? a. whom b. who

Which sentences use the active voice? select three options. a.you'll have to hurry if you want to catch the next bus into the city! b.shakespeare's plays may have been written by more than one person. c.the tree was struck by lightning, and then had to be cut down by maria. d.you should use wool cloth to make a winter coat, and line it, too. e.jake threw the laundry into the machine and put quarters in the slots.