________ tigers in the world has reduced(减少) in the last fifty years.
—Are you sure you can do well in the final exam? —_____________, I’ve got everything ready.
It was lovely weather we decided to spend the day on the beach.
—Congratulations! Your speaking is excellent. — .
When I returned to my hometown, I was nearly lost. Almost_______ had changed.
As soon as he the bus, the poor man realized he had left his iphone5 on it.