【单选题】It's late I think I must ______ now.
【单选题】Could you please _____ the radio a bit ? It’s too loud.
【单选题】下列哪种抗菌药不是通过影响细菌细胞壁合成而发挥抗菌作用的:
【单选题】Please the radio, Let’s listen to the morning news.
【单选题】It’s too dark here. Please __ the light.
【单选题】It's dark in the room. Why not _____ the light? [ ]
【单选题】Could you ___the radio a little? It’s too noisy.
【单选题】Could you please ________ the TV a little? It’s too noisy.
【单选题】It's getting dark. Please _____the light. [ ]
【简答题】完成第五单元132页第6题Fill in the blanks with the expressions given below. Change the forms where necessary.