No one is allowed ______ in the classroom.
| A．smoking | B．smoke | C．smoked | D．to smoke |
To be honest，it is Jack as well as his two classmates that________for the broken vase.
| A．is to blame | B．is to be blamed | C．are to be blamed | D．are to blame |
Jack has been working hard these days.It's obvious that there is ________he is eager for but didn't mention to us.
| A．anything | B．something | C．nothing | D．everything |
The old man went near ________office.Unluckily，there was no name on________door.
| A．an；\ | B．the；the | C．an；the | D．the；a |
He changed so much that only when I looked closely________he was exactly my long lost friend.
| A．I realized | B．did I realize |
| C．I did realize | D．realized I |
－Personally，I believe I can do it well on my own.
－________Selfconfidence is the first secret of success.
| A．It's up to you. | B．Take it easy. |
| C．Let' s get going. | D．I'm with you on that. |