Mrs. White _____ her wallet now, but she can’t ______ it.

I have a word with you, mum —Oh, dear, if you______.

14. Over the long process of evolution, animals have developed their ______ senses, which makes it possible for them to _____ their environments.

My mother is always warning me when I go out, “Don’t get off the bus ____it is stopping.”

In winter, the weather in Harbin is much than that in Guangzhou.