—Who knocked at the door?—I’ve no idea. I just pretended nobody was at home, so I didn’t ask who ____ was.
As is widely accepted, _______ students should have ______ easy access to labs, libraries and other facilities at school.
---Peter was killed in the earthquake! ---_____ I talked with him last week.
It was along the Mississippi River ______ Mark Twain spent much of his childhood _____ the story happened.A. which; that B. that; which C where; that D. that ;that
---How long ______ in Shanghai? --- For two weeks. I’m going to visit some schools in Shanghai.
“Don’t talk in class again ”, the teacher said to him .The teacher ________.