______ nobody else at hand, I had to carry the heavy box to the eighth floor by myself.
She bought with her three friends , none of______ I had ever met before .
As we all know , reading is to the mind______ food is to the body.
________my mathematics is very poor. Don’t worry . I’ll help you________ I can.
_________matters most in learning English is enough practice.
In the factory women _______ 44% of the workforce , and nearly half the mothers with children are in paid work.