—Is Jason all right? He looks so tired!—Not sure. He __________ deep into the night yesterday. He's having an exam soon.
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.