(改写) There are so many new words in the _(四十九) lesson. It's hard to understand.

(改写) Mr. Zhang and Mr. Lin live next door to us. They are our n_.

(改写) In a week, we have English lessons every day except W_.

(改写) We use the e_ to go up and down the building.

(改写) 梂hat's the 100-meter race r _ in your school? ?3 seconds.

(改写) New York is one of the biggest cities in A_.

(改写) His bike is broken. He is busy m_ it.

(改写) He is very s _ and he can carry the heavy box.

(改写) A zoo is a p _ where many animals live.

(改写) F_ stories make me laugh.