Agriculture _____ about 14 percent of global greenhouse gas emissions, and transporting the food around adds to the environmental cost.
| A．cares for | B．applies for |
| C．accounts for | D．answers for |
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 |
Jenny nearly missed the flight＿＿doing too much shopping.
| A．as a result of | B．on top of |
| C．in front of | D．in need of |