in university,we were offered a number of afterschool activities to _____ our social skills

.Jennifer didn’t attend the important conference,and that’s _________she hadn’t been gotinformed of it

You have to explain ____ us the reason _____ your being absent from school yesterday

Passengersarepermitted_____onlyonepieceofhandluggageontotheplane.[ ]

Can children under the age of 12 ride bicycles in your city—No， according to the law，they .