Half a century ago, parts of the Thames were “biologically dead” because of the pollution.
She ____ necklaces with the help of Ms Sullivan when she ____ that she had made some mistakes.
____ Helen’s knowledge and vocabulary expanded, she asked more and more questions.
I didn’t know I was spelling a word or even ____ words existed.
In a way, Pompeii is like a time capsule ____ a frozen moment in history.
By the time some scientists ____ the lost towns, they ____ an awesome historical site.