I didn’t know this years ago ,but recent science ____that inharmonic marital(婚姻的) life like quarrels or fights harms one’ heart.
It was stupid ____ him for help. Everyone knows that he is very mean.
It is no ____ arguing with Bill because he will never change his mind.
Joan together with her parents ____ going to visit the Summer Palace this Saturday.
The summer holiday is just ____ the corner. How do you plan to spend it?
____ hands and knees Helen Thayer got the tent up.