She is in a red dress..介词in在这里的意思是____
Let _____ go to the silk shop. A. us B. is C. we
Turn right ____ the lights. A. in B. at C. on
_____ is your school? A. Where B. What C. How
the door. A. Open B. Three C. Chairs
What colour is it? . A. Yellow B. Six C. Thanks