-------Mary, the telephone is ringing!---------______, but I am washing my hair.
________ it is to jump into a river in summer!
_______everybody is here, let’s begin our English party.
Have you ever seen the film Titanic, ________ leading actor is my favourite?
The father seldom had time to share with his children, because he devoted most of his time _______ research in his lab.
I still remember the day_______ I was admitted(录取) to the key middle school.