—I wonder how much you charge for your services.
—The first two are free, _______the third costs ＄30.
| A． while | B． until | C． when | D． before |
The pursuit of happiness is just a/an________of personal choice.
| A．event | B．incident |
| C．matter | D．affair |
My grandma will stretch her arms out to hug me________I turn up to see her.
| A．until | B．while |
| C．the moment | D．by the time |
－Sorry，Betty！I forgot to inform you of the change of time.
－________．
| A．Forget it | B．Don't mention it |
| C．That's right | D．With pleasure |
The special dance，Gangnam Style，is ________ popular all over the world and was even performed in the White House.
| A．steadily | B．firmly |
| C．increasingly | D．regularly |
The tourist attraction is so designed to________our local customs and cultures in some aspects.
| A．adopt | B．react |
| C．reflect | D．cater |