Due to the widespread ________ of this medical technology, more diseases can be discovered and treated at an early stage.

Neither Jim’s cousins nor he himself ____to America , but _____ of the know the country very well.

sheto her grandma’s every week?

Look at the boy running on the ground. Is it David?– It _______ be him. I saw him go to the teacher’s office just now.

In China, according to a report, ____ people read or write blogs博客