21. When he came into the dinning hall, nobody said hello to him. So he felt _______.

A. calm      B. ignored     C. lonely        D. sorry

22. These pictures will show you ______.

A. what does our village look like     B. how does our village look like

C. what our village looks like         D. how our village looks like

23. ______ the problem, the three leaders held a meeting in a secret room.

A. To settle      B. Settle      C. To settle down      D. Settling