After 15 years, she changed a lot and looked quite different from ____ she used to be.
From my point of view,the theory that by the scientist is not quite scientific.
Tom’s mother often requires that he more time in studying English every day.
We can't go out,for it is getting dark and ,it is raining.
Don't put your books everywhere.Keep them .
— I ____ to your birthday party last Sunday.— Unfortunately, you were out on business.