Attention, please! And keep ________ when I am taking a photograph of you.
| A．still | B．calm | C．quiet | D．silent |
An old lady came _________ to the bus stop, only _______ the bus had gone.
| A．to run; to find | B．running; to find |
| C．and ran; finding | D．running; finding |
Do you _________ or serve in an organization or are you a member of some group?
| A．simplify | B．require | C．sign | D．volunteer |
Since production has risen ________, the personal income has increased year by year.
| A．steadily | B．fortunately | C．particularly | D．variety |
From the ________ look on his face, I knew that he must have been threatened by someone.
| A．vivid | B．horrible | C．curious | D．terrified |
--- You didn’t have a good time at the party?
---- No, I ______ a lot from the noise made by the band.
| A．worried | B．suffered | C．heard | D．enjoyed |