11. The graduate never expected that his graduation essay would ______ such a heated discussion among scholars.
| A．set off | B．set about | C．set out | D．set up |
Misunderstandings________from lack of social communication，unless________properly，may lead to serious problems.
| A．arisen；handling | B．arising；handled |
| C．rising；handled | D．risen；handling |
—Thank you for your tea.
—You are so kind to say so，but you________it at all.
| A．didn’t drink | B．aren’t drinking |
| C．don’t drink | D．hadn’t drunk |
While intelligent people can often________the complex，a fool is more likely to complicate the simple.
| A．sacrifice | B．substitute |
| C．simplify | D．survive |
Seeing a large crowd at the street corner，I became aware of________unusual happening.
| A．anything | B．something |
| C．everything | D．nothing |
It is said that________wool produced in Australia is of________high quality.
| A．/；/ | B．the；/ |
| C．the；a | D．the；the |