We are supposed to ___________a solution to stop people from looking down at their mobile phones while driving cars.
—Do you know the young man well? —Sure, we __________ friends since we met in Nanjing three years ago.
The Old Town of Lijiang is __________ with tourists for its beautiful old buildings.
—When will you come to see me, on Tuesday or Thursday? —__________ day is OK. I’m on holiday.
More colleges __________ next year for more students to get a good education.
—Millie, how long have you __________ this book? —For over a week.