I would appreciate it ________ you call back this afternoon for the doctor's appointment.
Every morning Jack's wife will stand before the mirror, ________ carefully until she has to go to work.
________ for a whole night, we still couldn't agree on when to start and where to go for the holiday.
In my opinion, keeping dogs well ________ up is advisable for dog owners.
The old couple, ________ in the small village for years, can tell the names of all the villagers.
The gas price keeps rising, ________ an average of 7.7 yuan per liter this month.