—Whose MP5 is this, Tina?— It’s _____. My mother bought it for me last Sunday.

----It’s important_____ a foreign language. ----I agree with you. We should study hard.

---You have tried on several shirts. ---Sorry to take up too much of your time. But __________ of them look good on me.

The old woman kept one black dog and two white ______.

—Which sport do you like better, swimming or running?—________ of them.I like horse-riding.