题目

Schools across China are expected to hire 50,000 college graduates this year as short-term teachers, almost three times the number hired last year,  ____  reduce unemployment pressures. A. help              B. to have helped     C. to help    D. having helped 答案：C 解析: China are expected to help reduce unemployment pressures. to help 与to hire 位置相同。Would you please help me move the piano?________A．You’re welcome.B．It’s a pleasure.C．With pleasure.D．Don’t mention it.