________ English will help to communicate _____ people from different countries in the world.
| A．Known; with | B．Knowing; with | C．To know; to | D．To know; in |
I can't tell you the exact when I will get there ____, I’ll be there as early as I can.
| A．No matter | B．Anyhow | C．Therefore | D．Besides |
Certainly I posted your letter---I remember ____it.
| A．posting | B．to post | C．to be posting | D．have posted |
Mr. Green is said _____ an experiment to prove the new method of solving the problem when young.
| A．to do | B．to have done |
| C．to be doing | D．to have been doing |
You will see this product made in this factory _____ wherever you go.
| A．to be advertised | B．advertised |
| C．advertise | D．advertising |
_____ the big snake, the little girl stood under the tree _____ to death.
| A．Seeing; frightened | B．Seeing; frightening |
| C．Seen; frighten | D．To see; frightening |