______that blood diseases are going to continue, we’ll have to______ them.
When Li Ming got to America, he found his English was quite different _____ he had learned in China.
He promised to _____ me with a beautiful gift.
Children are usually mean. _____ they take much, they won’t give.
The fisherman made it a _____ to cast his net four times a day.
The number of people invited _____ fifty, but a number of them _____ absent for different reasons.