1. The girl ________ golden hair looks beautiful.
2. They talked _______ a low voice in order not to wake the baby up.
3. —Excuse me. Do you have the right ticket _______ this seat?
    —Oh, sorry. I have taken a wrong seat.
4. The mother held her son ________ her arms and cried with joy.
5. All the audience watched Liu Qian perform the trick _______ great interest.