Question

When I entered the classroom, I saw Mary ______ at the desk and ______ a letter. A．seating; ..

When I entered the classroom, I saw Mary ______ at the desk and ______ a letter. A．seating; writing B．seated; wrote C．sitting; wrote D．seated; writing

Answer 1

D
考查非谓语动词。第一空Mary与seat为动宾关系要用
过去分词
作
补语
，与sit为主谓关系要用
现在分词
作补语；第二空Mary与write为主谓关系要用现在分词作补语。故选D。句意：我走进教室看到玛丽坐在桌子旁边写信。