—Oh,where is my wallet?Maybe I left it in the car.
—You______ things behind!
| A．are always leaving | B．were leaving |
| C．have left | D．always leaving |
---Did you enjoy last night’s party?
---No. .
| A．It couldn’t be more exciting | B．It couldn’t be more boring |
| C．It couldn’t be more impressive | D．It couldn’t be more anxious |
To be honest, I would rathermy dog out, which made so many troubles.
| A．not had let | B．I had not le | C．not let | D．not have let |
Jack is late again. It isof him to keep others waiting.
| A．typical | B．common | C．ordinary | D．normal |
Jack, who pretended, heard, however, every word that was said.
| A．not listening | B．not to be listened | C．not to be listening | D．not having listened |
The old man __________ in Tibet for two years as a volunteer teacher；it is an experience he often mentions.
| A．served | B．serves | C．is serving | D．has served |