__________he was busy, _________he often helped us with our studies.
It is clear that if we read English article every day, we________improve our English.[ ]
__________ do the new hair clips cost —They are only ten yuan.
Jack likes doing kung fu on weekends. Mike likesit.
________ times do you visit your grandparents every year— Three or four times a year. Usually at Mid-Autumn festival and Spring Festival.