I didn’t know this years ago ,but recent science ____that inharmonic marital(婚姻的) life like quarrels or fights harms one’ heart.
The teacher was worried about the boys in her class, for they spent ______ time playing computer games.
Luckily, there is a hospital ____ and they soon took the wounded man there.
My son ____ the examination, but he wasn't careful enough.
---- Must we clean the house now? -----No, you _______.
It was almost midnight when the fire ____ in the neighborhood.