______ did you visit the Great Wall— Last Sunday.

The Great Wall, _____ to be the longest wall in the world, runs across China like a huge dragon[ ]

There is a big cake. ____________ share it.

In writing a composition, there must not be one sentence or even one word which is brought in ______.[ ]

Do you mind if I smoke here, madam— . It’s not allowed in public, you know.