_________I went to the US,I visited many cities.
| A．First time | B．For the first time | C．The first time | D．By the first time |
He complained __________ me __________ the food I had prepared.
| A．to; with | B．with; for |
| C．to; about | D．with; about |
You should try to be patient, Tracy. Learning a language is a slow __________. It takes time, you know.
| A．system | B．project |
| C．technology | D．process |
The little boy looked __________ at the __________ tiger.
| A．frightened; frightening | B．frightening; frightened |
| C．frightened; frightened | D．frightening; frightening |
I don't think __________ possible to master a foreign language without much memory work.
| A．this | B．that |
| C．he | D．it |
Sandy could do nothing but __________ to his teacher that he was wrong.
| A．admit | B．admitted |
| C．admitting | D．to admit |