单项选择题
A．hand in B．to hand in C．handing in D．having handed
A．evaluate students’ skills every year B．endure so much worry on the tests C．teach what will be tested D．focus their instruction on useful drillings
A．are often reported by the school to their parents B．are often regarded as a great pressure to help them work hard C．are closely related to teacher assignments and schools’ reputation D．are inspected for minority enrollments