I think walking is________ our health.
We have been in China three years. We like it very much.A. in B. since C. for
Jack likes reading a newspaper he is having breakfast.A. while B. and C. because
Welcome to my new house, Ann and John! Help to some fruit.A. myself B. yourself C. yourselves
This is my twin sister, Lucy. Not only she but also I good at drawing.A. is B. am C. are
All the visitors live on floor.A. two B. second C. the second