You never know how much difficulty we had ______the problem. Luckily, we managed to solve it with Mrs Wu’s help.
—Is that man your father? —No, he is my father’s____, my uncle.
—Same, _____ is you mother? —Mm...she’s in my room, dad.
—Your room is tidy____ nice. —Thank you!
—Is this your jacket? —No, it’s Helen’s jacket, it’s ____
I like music(音乐) very much, so I _____ my mom for some good CDs.