The kind teacher devoted all her time ___________ her students.
Where did you spot the murderer?— It was in the cinema __________ we watched Tran formers that I saw him. I can’t remember when.
It has been raining for days. When will it stop—It is that the rainy season will be longer than last year.
Boys like playing _______ basketball after school.
________in the computer games,the boy no longer put his heartinto study.