(改写) I didn't borrow the book, because I _ _(buy) it.

(改写) 梂hat _ (happen) to Jim last night? 桯e fell down and hurt his leg.

(改写) When I got home, I realized that I _ _ (leave) my backpack at school.

(改写) By the time I got up, my brother _ already _ (get) in the shower.

(改写) I think your _ (perform) is good.

(改写) Can you finish _ (read) the book today

(改写) October the _ (one) is National Day in China.

(改写) Students often talk instead of _ (do) homework when they study together.

(改写) You should stop _ (play) computer games.

(改写) There are _ (million) of birds in the forest.