Who ________ for the bullet train accident that has happened in Zhejiang,China?
| A．is blaming | B．is to blame | C．has blame | D．is to be blamed |
The reason ____ he was late for school was _____he had to send his mother to a hospital.
| A．that; why | B．why; because | C．why; that | D．that; because |
_______ I’m not sure of winning the match, I will have a try anyway.
| A．While | B．Before | C．Once | D．Since |
Doris’ success lies in the fact _______she is co-operative and eager to learn from others.
| A．which | B．that | C．when | D．why |
The system of Braille is really _____________ to the blind.
| A．of great useful | B．great useful | C．great use | D．of great use |
________ is exciting news that she has received a doctor’s degree.
| A．What | B．It | C．This | D．That |