When I got back home I saw a message pinned to the door ____ “Sorry to miss you; will call later.”
Please remember to wash your hands with soap ___ the end of the experiment.
Usually before exams, students ___ two minutes to write down their names.
___ I know, many thousands of tourists from the mainland have been to Taiwan.
Hong Kong ___ to be a good place for eating today.
People in Korean ___ bow when they meet for the first time.