He spent too much time talking on ______ phone while we were all busy at _____ work. A. the, 不填 B. a, 不填 C. 不填, 不填
Nowadays, teachers should give less homework to students in order to ______ the amount of pressure they have.
He was crazy ______ his study when he was young, which contributes ______ his success in later life.
I try to avoid ______ her because she is ______ to scold me for my mistakes.
The fire started on the second floor and it wasn't long ______ the whole building was burned down.
______ to computer games, the boy began to dislike school, which made his parents worried.