With many forests being destroyed, huge quantities of good earth ______ each year.
After the accident, she had some difficulties _______ recalling what had happened _______ her.
It’s not until you have lost your health _______ you always take for granted _____ you know its value.
— Will you go off to Shanghai tomorrow? — I’m not sure. It ________ the weather.
He ______ to get out of trouble, but no one would help him.
This method was so easy and _______ so reasonable.