I didn’t quite follow him because he explained the theory _____that is too abstract for me.
After the earthquake, the government turned a school into a for the victims of the earthquake.
It is difficult for my teacher to my mistakes in my composition. He is so careful!
I have many friends, some are businessmen.
He used to ______ cards, but now he is used to _______ a walk after supper.
He is considered ___________ the work ahead of time.