Elephants have their own way to tell the shape of an object and __________ it is rough or smooth.

You should put_____ “s” at the end of this word.

When did you ______ Hongkong

Are you free，Jane —Sorry. I‵m busy now . I_______with my mother in the kitchen.

I haven’t been to Shanghai for years.—You really need to pay a visit, and you’ll find changes there are imagination (想象).