----Whose model plane is it?    ----It’s ________. 

All ________ I ever wanted to do was to travel.

—Don't be angry with your kid when he makes a mistake again, will you? —No. I won't. I know that ______of us are perfect after all.

---Which would you like to eat, bread or sandwiches?  ---___________. Please give me some dumplings.

—Tina， is this    schoolbag?—Yes，it’s mine.