—What a lovely toy! Who bought it for you? —I made it by _________．

—__________ will your father be back?—In two months.

—Is the blue ruler _______? —No. _______ ruler is red.

---Whose watch is this? Is it __________?---No, it’s not __________watch. It’s __________.

—How did your uncle learn to play the guitar?—By ________.