--Aren’t we living a happy life? --You should not be content with what you have. _______, you must be better in every aspect of your life.
---Did you remember to give Mary the money you owed to her?--- Yes, I gave it to her ____ I saw her. A while B the moment C suddenly D once
To keep healthy, Professor Johnson ____ cycling as a regular form of exercise after he retired.
Tough ______ _money, his parents managed to to send him to a key university.
She ____________ the path as the trees around her became thicker.
Once ________ more attention, the little trees could have grown better.