Where is my jacket? Could you help _______ find it, dear?

Tom,      my good friends, Jim and Mike.

Gary: I can’t find my pen.   Nina: Is the one on Jack’s desk 　　　? Gary: Yes, Thank you. 

 Do you have toys? I’d like to buy ______ for my cousin.

—Excuse me，but is that my dictionary?—Oh, sorry, I took________ by mistake.