When the millionaire was young, he was very poor. Only by doing parttime jobs during the summer holiday ________ afford to pay his college fees.
He _____ football regularly for many years when he was young.
Her shoesher dress; they look very well together.
The last time we had great fun was _____ we were visiting the Water Park.
Most air pollution is caused by the burning oflike coal, gas and oil.
Many Chinese universities provided scholarships for students ______ financial aid.