—What time do we have to be at the gate?—_______ passengers start to board the plane.
After the long journey, the three of them went back home, ______.
Though having lived abroad for years, many Chinese still ______ the traditional customs.
----Are you finishing your task? -----_______. We need at least three more hours.
Is having a lot of money important to a woman when it comes to _______a husband?
Hobbies are _______ in helping patients recover _______ physical or mental illness.