_______ the third photo, Li Yan _______ at the mall.

When he walks ______ my desk, he often knocks my books off the desk. 

—Can you say it _____English?—Yes. It is a book.      

---What are you doing on your next day _____________?---I want to have a good rest at home because I’m very tired these days.

It is very difficult      the little boy      carry the big box.