Some experts think the wolf's team spirit for survival is ____ is needed in today’s competitive culture.
| A．that | B．what | C．which | D．how |
They have the water supplies of the city.
| A．cut off | B．cut out | C．cut down | D．cut in |
His sister left home in 2009, and＿＿since.
| A．had not been heard of | B．has not been heard of |
| C．had not heard of | D．has not heard of |
＿＿many times, he still didn’t make sense of it.
| A．Having been told | B．Then he was told |
| C．Being told | D．He was told |
What you said just now me of that American professor.
| A．mentioned | B．informed | C．reminded | D．memorized |
—— Have you made an apology him breaking his window?
——Yes, I have.
| A．for; to | B．to; to | C．for; for | D．to; for |